Deerfield police arrested three people running from the scene of an armed robbery.
It happened in the 100 block of South Waukegan Road, Monday night.
A cell phone store was robbed, according to police.
Officers followed a car speeding away from the store. Two people were taken into custody within minutes.
The police chase briefly put Trinity International University on lock down.
The third person was found about 90 minutes later, after a search near the school.
Authorities said further information would be released Tuesday.