CHICAGO (CBS)-- A man is in custody after an attempted robbery in The Loop early Wednesday morning.

According to police, a 41-year-old man parked his unlocked car in the 100 block of North LaSalle Street around 4:15 a.m., while he went across the street.

The victim saw a man entering the car and returned to stop him. The offender ran away from the scene.

The offender was arrested and a weapon was recovered.

Charges are pending.