Latest: Death toll from 7.1 magnitude earthquake in Mexico rises to 79

Latest: A magnitude 7.1 earthquake stunned central Mexico on Tuesday, killing at least 79 people as buildings collapsed in plumes of dust.

Update 11.55pm: A magnitude 7.1 earthquake stunned central Mexico on Tuesday, killing at least 79 people as buildings collapsed in plumes of dust.

Thousands fled into the streets in panic, and many stayed to help rescue those trapped.