"The visit of two leading members of the European Commission, Vice-President Frans Timmermans and Commissioner for Migration Dimitris Avramopoulos, is a political message of support to our country in finding practical solutions to effectively confront the migration crisis," the head of the European Commission representation in Greece Panos Karvounis said in a statement on Thursday.

Former Deputy Citizen Protection Minister Yannis Panousis listed a series of mistakes that Alexis Tsipras made during his seven-month tenure as prime minister.

With popularity at rock bottomand the people frustrated, the probability of Alexis Tsipras suffering defeat in the elections is now a distinct possibility.

SYRIZA spokeswoman Olga Gerovasili on Wednesday rejected outright any possibility of a coalition between SYRIZA and New Democracy after the elections on September 20, following a chance encounter between the two party leaders at an airport in Crete earlier in the day.