UFO Ascends Over Mexico City in Clear Daytime Video

• When: May 16th, 2017
• Where: Mexico City
• What: Round object ascending

A dark spherical object can be seen smoothly ascending in a straight line over Mexico City during the daytime, in a video uploaded onto a popular UFO YouTube channel:

I am having trouble verifying the witness report, but if you are in Mexico and saw this as well, report it.

Do you have theories on this UFO sighting? Could this simply be a high-powered, large drone? Share your thoughts in the comments below or head over to Facebook, Twitter, and Instagram.