Administrative staff at the University of Athens and the Athens Polytechnic have decided to continue their strikes until Friday, despite a judicial decision that their strike is illegal.

Former PASOK minister Theodros Pangalos has urged a mass airborne exodus from the country in the event that Alexis Tsipras is elected to power, arguing that a SYRIZA government would be disastrous for Greece and would involve the country "committing suicide again".

Thousands of people gathered on Tuesday at the funeral service of former president Glafcos Clerides who died on Friday at the age of 94. Greece was represented at the services by premier Antonis Samaras.

Authorities in western Greece are bracing for a cyclone expected to hit Greece within the next hours, coming from Sardinia.