Police officers stand near a police vehicle after an explosion at Bulgaria's Burgas airport July 18, 2012. An explosion which killed six people and injured dozens of Israeli tourists at the Bulgarian airport of Burgas was caused by a bomb in their bus, Bulgarian Foreign Minister Nikolai Mladenov told Reuters by telephone. In a statement, the foreign ministry said five people were killed and one died later in hospital. Thirty two people were taken to hospital with injuries. REUTERS/Impact Press Group (BULGARIA - Tags: DISASTER TRANSPORT CRIME LAW) | Foto: Reuters