Ukrainian anti-government protesters on Monday ended their 16-hour-long occupation of the country's Justice Ministry, but called for a full-scale blockade of all government buildings.Television footage showed activists wearing camouflage and helmets leaving the building in the centre of the Ukrainian capital, dpa reported.Oleksandr Danylyuk, the leader of the Common Cause movement, which occupied the building on Sunday, said the occupation would be replaced by a blockade of all central government buildings.