SAN ANTONIO -

A night on the River Walk ended with critical injuries for one man. 

Police say the man fell from a bridge in the 500 block of N. Presa above the River Walk.

They say he landed on a sidewalk along the river, about 40 feet below the bridge.

He was rushed to SAMMC in critical condition.

Police questioned a friend who was with the victim when he fell.

They say alcohol might have been involved.