OTTAWA -- Emergency Preparedness Minister Bill Blair repeatedly denied Wednesday that anyone in the federal government interfered in the RCMP's investigation into the Nova Scotia mass shooting.

Facing multiple questions, Blair came to the defence of Commissioner Brenda Lucki, who is at the centre of the controversy, which has generated calls for emergency parliamentary hearings.

"There was no pressure brought to bear and no interference with the operational decisions of the RCMP," Blair told reporters on Wednesday. "I made no effort to pressure the RCMP to interfere in any way with their investigation. I gave no direction as to what information they should communicate. Those are operational decisions of the RCMP. And I respect that and I have respected that throughout."

Allegations were raised Tuesday that the worst mass shooting in Canadian history was being used by Prime Minister Justin Trudeau and his government to help push forward a new gun ban, based on as part of the Mass Casualty Commission probing the April 2020 mass shooting that left 22 people dead in Nova Scotia.

According to the documents, 10 days following the Nova Scotia killing rampage, Lucki shared in a meeting her disappointment with the Nova Scotia division's handling of press briefings, indicating she felt disobeyed, after wanting them to release specific information on the firearms used by the perpetrator.

In handwritten notes, Nova Scotia RCMP superintendent that Lucki indicated she promised Blair, the then-minister of public safety, and the prime minister's office that the RCMP would release this information, and that this was tied to pending gun control legislation intended to make officers and the public safer.

At the time, the Nova Scotia RCMP said that releasing additional information would jeopardize the ongoing investigation into the perpetrator鈥檚 access to firearms.

Days later, the Prime Minister announced a ban on 1,500 assault-style weapons, including weapons used in the Nova Scotia shooting.

In a statement issued late Tuesday night, Lucki said she would never jeopardize an investigation, and that she "did not" interfere in this case, but called it a "tense discussion."

"I regret the way I approached the meeting and the impact it had on those in attendance. My need for information should have been better weighed against the seriousness of the circumstances they were experiencing. I should have been more sensitive in my approach," Lucki said.

"It is important to note that the sharing of information and briefings with the minister of public safety are necessary, particularly during a mass shooting on Canadian soil. This is standard procedure, and does not impact the integrity of ongoing investigations, or interfere with the independence of the RCMP," Lucki said.

N.S. OFFICER 'CAME TO HIS OWN CONCLUSIONS': BLAIR

Facing several questions about the matter on Wednesday, Blair came to Lucki's defence, but didn't directly respond when asked if he still had confidence in her as the RCMP's lead officer.

Blair said that the tragedy was "unprecedented, and incredibly difficult, and traumatic," for the whole national police force, and that the differing account coming from Lucki's colleagues is something that is "entirely between the Commissioner and her subordinates."

Asked how Canadians should reconcile the government and Lucki saying there was no interference with what superintendent Campbell wrote based on the meeting he had, Blair said the superintendent "obviously came to his own conclusions."

"I'm telling you, and I would tell the superintendent if I spoke to him that I made no effort to pressure the RCMP to interfere in any way with their investigation. I gave no direction as to what information they should communicate. Those are operational decisions of the RCMP. And I respect that," Blair said.

He also noted that, prior to the shooting, the Liberals campaigned in 2019, and later followed through, with a mandate commitment to ban assault-style firearms.

Current Public Safety Minister Marco Mendicino told reporters that he's confident that his predecessor Blair adhered to the principle of operational independence that exists between the government and the RCMP.

"You heard that explicitly from the Commissioner of the RCMP. You heard that explicitly from my predecessor, Minister Blair. And certainly, that is something that we will continue to adhere to in all of our interactions with police," Mendicino said.

Reacting to the allegations of political interference, of the Nova Scotia shooting victims, lawyer Michael Scott said that they were 鈥渦nderstandably troubled.鈥�

鈥淚n the days following April 19, 2020, all efforts should have been focused on supporting victims, their families and the active investigation being carried out by local RCMP. Interfering in those efforts, to exploit a perceived political opportunity or otherwise, would have been inexcusable,鈥� Scott said. 鈥淲e trust that the Mass Casualty Commission recognizes the importance of determining the truth of these allegations and the need for fulsome cross-examination of the relevant witnesses.鈥�

OPPOSITION WANT INVESTIGATION INTO ALLEGATIONS

The opposition parties have pounced on the story, unsuccessfully demanding an emergency debate, while also seeking a parliamentary committee investigation into what NDP Leader Jagmeet Singh has called "troubling allegations of interference."

"These allegations suggest that pressure from the government risked undermining the investigation into the worst mass-shooting in Canadian history 鈥� all for their own political agenda. Nova Scotians have suffered enormous losses and the mishandling of the investigation into this shooting is making it incredibly difficult for the families of those who were murdered," Singh said in a statement issued Wednesday morning.

"The idea that this government 鈥� that any government 鈥� would use this horrific act of mass murder to gain support for their gun policy is completely unacceptable," Singh said.

NDP public safety critic Alistair MacGregor has written to the Liberal chair of the House Public Safety and National Security Committee, asking for an emergency meeting "as soon as possible," to "confirm what political pressure was exerted." Conservative MPs have also called for an emergency meeting of this committee.

鈥淲e need to hear from the prime minister. We need to hear from the former public safety minister. We need to hear from the members of the RCMP who were involved. There must be an investigation to hear the full story,鈥� said the party in a statement.

Dismissing the denials issued by Blair and Lucki, several Conservative MPs decried the government allegedly pulling strings, and accused them of undermining the notes taken by RCMP officers in Nova Scotia.

"Conservatives believe superintendent Darren Campbell when he says that Brenda Lucki the commissioner pressured him, pressured the RCMP, and the reason she did it was because she had made a commitment, or she had been pressured by the prime minister's office and or the public safety minister's office," said interim Conservative Leader Candice Bergen. "This is disgusting."

With a report from CTV National News Ottawa Bureau Chief Joyce Napier