PHOENIX - Police said they were investigating a collision involving a train and a pedestrian Monday morning.

According to police, the collision occurred around 8:30 a.m. near 19th Avenue and Van Buren Street.

Police said the pedestrian was struck while crossing the tracks. The pedestrian suffered serious injuries.

The train is blocking Van Buren Street in both directions, police said.There's no estimated time on when the road will re-open.