Make-or-break moment as Greek MPs prepare to vote on austerity proposals

Prime minister Alexis Tsipras, who has lost a key minister unwilling to support measures, must keep number of rebels to fewer than 40 to pass vote

Alexis Tsipras, the Greek prime minister, is preparing for a make-or-break parliamentary vote over the austerity measures Athens must take in exchange for a fresh bailout from its eurozone partners.

Just hours before the vote, Tsipras suffered a blow with the loss of a key minister, Nadia Valavani. The deputy finance minister resigned, saying it was "impossible" for her to keep serving in the government given the austerity measures to which Tsipras had agreed. She warned the nation faced a "crushing" capitulation at the hands of its creditors in Brussels.