ST. LOUIS — An early morning police pursuit ends in a crash and 4 people are arrested in north St. Louis County.

St. Louis County police say officers were following a driver that was involved in a robbery around 2:15 this morning.

The driver headed eastbound on Interstate 270 and crashed at Bellefontaine Road. The ramp from 270 to Bellefontaine Road was closed during the investigation but has since reopened.