On April 29, 2013 at 10:38am CEST (8:38 UTC), an explosion occurred in a building in the centre of Prague, Czech Republic. The incident occurred in a townhouse belonging to the Air Navigation Services of the Czech Republic on Divadelní street in Old Town, Prague 1, close to the Academy of Sciences and National Theatre. The blast could be heard across the whole city centre, as far away as Prague Castle, 1.4 km (1 mi) away from the incident.[2][3] 43 people have been injured by the blast, one seriously. No one has been killed.[2] The resulting shock wave from the blast damaged windows in nearby buildings including the National Theatre,[4] Café Slavia,[3] the Film and TV School of the Academy of Performing Arts in Prague (FAMU), the Faculty of Social Sciences of Charles University and the Academy of Sciences of the Czech Republic.[5]