Guy Verhofstadt, the leader of the liberal group in the European Parliament and Belgium's  ex Prime Minister,  warned during his parliamentary speech that Europe “is sleepwalking towards a Grexit”.

Three bodies have been recovered by Greek rescue teams on Tuesday after a sailboat carrying 37 to 40 undocumented migrants sank in the sea between the Aegean islands of Agathonissi and Farmakonissi earlier today, according to the Hellenic Coast Guard.

German Chancellor Angela Merkel said on Tuesday she hopes to receive from Greece adequate proposals for promoting reforms until Thursday, so that she can ask the German parliament to approve the restart of negotiations on a new, long-term support program of the Greek economy. 

U.S. President Barack Obama held talks on the telephone with Greece's Prime Minister Alexis Tsipras late on Tuesday, during which Obama expressed Washington's "strong desire for a successful outcome" in the negotiations.