An anti-government protester carry the national flag as he walks trough the rubble after violence erupted in the Independence Square in Kiev February 20, 2014. Ukrainian protesters hurling petrol bombs and paving stones drove riot police from the central square in Kiev on Thursday despite a "truce" which embattled Ukrainian President Viktor Yanukovich said he had agreed with opposition leaders. REUTERS/Yannis Behrakis (UKRAINE - Tags: POLITICS CIVIL UNREST)