The turmoil that’s threatening to topple Prime Minister Justin Trudeau has members of his political party poring over the rulebook for replacing him.

Calls are growing from within the Liberal caucus for Prime Minister Justin Trudeau to step down as party leader — and some have pegged Chrystia Freeland as their choice to replace him.Twenty-one Liberal MPs have publicly urged Trudeau to resign — many of them within the last week — after Freeland shocked Canadians on Monday by resigning as deputy prime minister and finance minister hours before she was supposed to table the government's fall economic statement.

A large section of ruling party MPs, nearly half of the full contingent of 153, are now seeking an early resignation from Trudeau so that a new leader can be elected in time for the next Federal elect