(Linky)
See? Now it might still be something else, but come on, there's even a movie clip of the orbs of light moving around on that site. I'm not too sure what else it could be, I mean the sources ARE fairly reliable.
Mexico has a long history of fanciful UFO sightings, most of which are dismissed by scientists as space debris, missiles, weather balloons, natural weather phenomena or hoaxes.
Mexico has a long history of fanciful UFO sightings, most of which are dismissed by scientists as space debris, missiles, weather balloons, natural weather phenomena or hoaxes.