Greek MPs are debating tough economic measures they must approve by the end of the day, for a eurozone bailout deal to go ahead.
The new legislation includes tax rises and an increase in the retirement age.
Greek Prime Minister Alexis Tsipras has said he does not believe in the deal, but has urged MPs to agree to the measures.
109 out of the 200 members of Syriza have signed a statement saying they will oppose the deal.
However, the vote is expected to pass with votes from the three main opposition parties.
Opponents to the deal have taken to the streets of Athens ahead of the vote, and unions held strike action.
Outside parliament, these striking workers are furious about the planned austerity measures:
