Three men arrested in connection with the explosion at Guadalajara . A nurse and two doctors were killed by the blast , official said . `` We pulled out , fortunately Mexico City 's mayor says a gas leak was reported , then there was an explosion .
Three men arrested in connection with the explosion at Guadalajara . A nurse and two doctors were killed by the blast , official said . Mexico City 's mayor says a gas leak was reported , then there was an explosion .