A 70-year-old woman has been struck and killed by a train as she crossed a road against boom gates in Melbourne’s south-east this morning.

The tragedy comes just 14 hours after a cyclist was hit by a train in North Williamstown as he crossed against pedestrian crossing warnings.

The scene at McKinnon station this morning. Credit:David Minty

The Bentleigh woman was killed as she tried to walk across the tracks on McKinnon Road, near McKinnon railway station, just before 9am, a Victoria Police spokeswoman said.

She said it was likely a number of commuters at the station would have witnessed the city-bound train hit the woman.