An alert local motorman saved a 15-year-old girl here who tried committing suicide by jumping before a train at suburban Malad by timely applying brakes, police said today.

The video of the incident, which took place on December 4, went viral yesterday on a social networking app, where a few-second CCTV grab of the railway station, shows the teenager standing on the tracks next to platform 1, Government Railway Police DCP (Western Railway) Deepak Devraj said.