 Ambulance and emergency workers are at the scene helping to evacuate patients and injured people. Parents have arrived at the scene trying to find out what happened to their children. Many are worried about the possible double-tap attack where Russia could launch another attack to hit the same target in a short period of time. The attack comes a day before a major NATO summit starts in Washington. Elsewhere, Gaza City has experienced some of the most intense shelling and airstrikes this year.