SAN FRANCISCO (KGO) -- In San Francisco, two teenagers have died in the last two weeks doing what is known as "train surfing" a trend that is popular on social media where teens climb to the roof of moving trains.
On Sunday, a 15 year old boy was found on the tracks between the Balboa Park and Daly City Bart Stations.
On January 29, 19 year old, Daniel Baran died in the same area.
