Meanwhile, dozens of riot police and barriers surrounded the parliamentary building, but guards there allowed lawmakers into the building Monday, Egypt's state-run Nile TV reported.

CNN: Stage set for showdown over Egypt's parliament

Anger boiled over during Sunday's vote in parliament, when large groups of protesters clashed with riot police and dozens of buildings were set on fire in Athens.

BBC: Eurozone states want Greece out, says Venizelos

Dozens of people were arrested after police in riot gear were deployed ahead of a football match in Nuneaton.

BBC: Sixty-two held for violent disorder in Nuneaton

Istanbul (CNN) -- Riot police gassed and fired water cannons at dozens of demonstrators trying to get to Istanbul's Taksim Square for May 1 Labor Day demonstrations.

CNN: Turkish police tear gas Labor Day protesters

In Istanbul, Turkey, riot police gassed and fired water cannons at dozens of demonstrators trying to get to the popular-tourist destination of Taksim Square for May 1 demonstrations.

CNN: May Day protesters flood streets of Europe