BRUSSELS (Reuters) - Euro zone finance ministers decided on Tuesday they could not extend Greece's bailout programme beyond midnight (2200 GMT), Slovak Finance Minister Peter Kazimir said on Twitter following the end of a Eurogroup conference call. "Last deadline for Greece programme extension was weekend. Due to parliamentary procedures, unable to extend programme beyond today," Kazimir wrote. (Reporting by Robin Emmott; Editing by Alastair Macdonald)