Mexican authorities have arrested a man in relation to the disappearance of two Australians and a US national, the Attorney General of Baja California said on Sunday. Elena Andrade Ramírez said that the man, only named as Jesus Gerardo N alias “El Kekas,” was behind bars, while two other people in custody for federal crimes may also be directly or indirectly involved. Andrade Ramírez said there was a “high probability” that three bodies found in a well more than 15 metres deep in an area south of Ensenada, a port city on the Pacific coast of Mexico’s Baja California peninsula, may be of the th…