听力原文： Two explosions in trash cans slightly injured nine people Tuesday in separate locations in the popular resort city of Antalya on the Mediterranean coast, the police chief said. Police said they could not confirm whether the blasts were the result of bombs or of some sort of aerosol can exploding in the heat. The first explosion occurred as men were emptying a trash can into a garbage truck in the city center, injuring three city workers and two people standing nearby. The second explosion occurred about 10 minutes later in a trash can near a market and injured four people. Which statement is NOT true about the explosions?