MIAMI (CBSMiami) – Aventura police said a fight between two groups of people led to three people being shot inside the Aventura Mall on Saturday afternoon.

Those 3 people suffered non-life-threatening injuries and were transported to area hospitals, police said.

READ MORE: Miami PD Needs Help Locating 12-Year-Old Chelsea Guardado

Authorities said a total of five people had to be treated for injuries.

The shooting took place at around 4 p.m. near the Hugo Boss store at the mall located in the 19500 block of Biscayne Blvd.

“We heard bang, bang, bang, and they shut the doors. We are grateful to be alive and glad our kids were not here,” said one shopper.

Police said they are looking for their main shooter and that they have several individuals in custody. “It seems like everyone who was involved in this were the ones who were injured, and again we are getting information from the ones we have in custody, “ said Aventura Police Major Michael Bentolila.

The gunman managed to leave on foot and headed westbound from the mall.

Police said that access to the mall would not be allowed until tomorrow.

READ MORE: Miami Weather: Summer ‘Muggies’ & Afternoon Storms This Sunday

Police and Miami-Dade Fire Rescue units could be seen at the mall as videos posted on social media showed shoppers rushing out of stores.

The following tweet is courtesy of a CBS4 viewer who was at the mall on Saturday afternoon:

Shoppers reported being locked inside stores at the mall.

Authorities were urging people to avoid the area. Nearby, William Lehman Causeway was closed in the westbound direction.

MORE NEWS: Rapper Polo G, Others Facing Charges Following Traffic Stop In Miami

Several police agencies are actively involved in searching for the shooter.

Jessica Vallejo