Canadian Prime Minister Justin Trudeau is preparing to announce his resignation as leader of the Liberal Party as early as Monday, according to a new report The globe and the mail.

After a sharp decline in the opinion polls and a dissatisfied caucus calling on him to resign, three sources told the Canadian newspaper that while they didn’t know exactly when Trudeau would announce his resignation, it would likely happen before a key national caucus meeting will on Wednesday.

The newspaper added that it would not name the sources because they were “not authorized to discuss internal party matters.”

One of the sources who claimed to have recently spoken to Trudeau said the prime minister recognizes that he needs to make the announcement before meeting the Liberal caucus, lest it appear as if he has been ousted by his own party members .

The three sources also added that they were unsure who would replace Trudeau as leader of the Liberal Party after his resignation, noting that it was not clear whether he would step down immediately after his resignation or stay until a new chairman has been selected. The Liberal Party’s national executive group is due to meet this week The globe and the mail.

While Trudeau had been facing pressure from his party for some time, tensions heightened on December 16 after his finance minister and deputy prime minister, Chrystia Freeland, unexpectedly resigned, citing spending shenanigans and a lack of serious initiative in dealing with President-elect Donald Trump proposed tariffs as reasons.

Trudeau’s silence on the matter sparked concern among Liberal MPs, who renewed calls for his resignation. According to The Globe and Mail, the Atlantic, Ontario and Quebec caucuses have all claimed that the majority of their members no longer support Trudeau.

These three regions account for 131 Liberal Party seats in the House of Commons. The party initially has 153 seats.

Accordingly The globe and the mailTrudeau reportedly told Liberal MPs he would consider his future but would not announce a decision over the holidays. The newspaper adds that his closest advisers have been meeting with senior Liberals over the past two weeks to decide whether or not Trudeau can remain party leader and prime minister until he is replaced.