Turkish President Tayyip Erdogan said on Friday it was impossible for Turkey to stop buying oil and natural gas from Iran, despite the threat of U.S. sanctions, and added that trade between the two countries would continue, according to broadcaster NTV.

One of the killers of Saudi journalist Jamal Khashoggi was heard saying “I know how to cut” on the audio of the killing Turkey shared with U.S. and European officials, President Tayyip Erdogan said on Friday.

Canadian intelligence officers have listened to Turkish recordings of what happened to Saudi journalist Jamal Khashoggi, Prime Minister Justin Trudeau said on Monday, adding that he was discussing with allies what next steps should be taken.

Turkey has given recordings related to the killing of Jamal Khashoggi to Germany, France and Britain, President Tayyip Erdogan said on Saturday, seeking to maintain international pressure on Riyadh over the Saudi journalist’s death.

Qatar’s Emir Sheikh Tamim bin Hamad al-Thani will meet with Turkish President Tayyip Erdogan on Friday during a visit to Turkey, the Turkish presidency said on Thursday.

The order to kill journalist Jamal Khashoggi came from the “highest levels” of the Saudi government, Turkish President Tayyip Erdogan said in the Washington Post on Friday and he called for the “puppetmasters” to be unmasked.

Istanbul’s chief prosecutor’s office said on Wednesday that journalist Jamal Khashoggi was suffocated in a premeditated killing as soon as he entered Saudi Arabia’s consulate four weeks ago, and his body was then dismembered and disposed of.

The Turkish lawyer looking into the death of Jamal Khashoggi has asked Saudi Arabia’s prosecutor to disclose who sent the team involved in the journalist’s killing, President Tayyip Erdogan said on Tuesday.

Britain said questions remained over the killing of journalist Jamal Khashoggi, and only Saudi Arabia could provide answers to them.

President Donald Trump said Saudi authorities staged the “worst cover-up ever” in the killing of prominent journalist Jamal Khashoggi this month, as the United States vowed to revoke the visas of some of those believed to be responsible.

“Intelligence and security institutions have evidence showing the murder was planned,” Erdogan told members of his AK Party in parliament.