Tsipras faces clash with Syriza radicals opposed to eurozone bailout for Greece

After marathon talks to secure third bailout, Greek prime minister prepares for showdown with MPs opposed to deal described as harsher than Versailles treaty

Related: Greece bailout agreement: key points

Alexis Tsipras is heading for a showdown with his own party and opposition MPs after the Greek prime minister accepted a third bailout programme that will bring further austerity to the debt-stricken country.