LOS ANGELES — A man of about 60 who was riding a bicycle was killed today when he was struck by one vehicle and run over by others, all of which left the scene, authorities said.

The accident was reported after midnight at Avalon and Century boulevards, Sgt. Donni Ellison of the Los Angeles Police Department’s South Traffic Division told City News Service.

The cyclist was pronounced dead at the scene, Ellison said.

Investigators were on the scene trying to determine how many vehicles were involved, he said. None of the drivers stopped.

Here is where it happened: