The US aviation regulator warns airlines to exercise caution when operating in the airspace of Mexico and Central America due to "military activities".
A train carrying 250 people derailed, with several carriages plunging into a canyon in southern Mexico, leaving at least 13 dead and nearly 100 injured.
16 members of a San Gabriel street gang were arrested on charges of drug trafficking and kidnapping during a crackdown on a notorious mafia organization.
