Our friend and colleague Claudio Mora of La Esfera Azul informs us of the following: "In the early morning hours of August 4, 2015, around 7:00 a.m., an unidentified flying object was seen and photographed - in two separate images - over the Altozano region of Morelia (Mexico). A strange, loud and long explosion was also reported, and was heard in various parts of the city."
Video at: https://youtu.be/cLdBBYA-Ph8