All-clear given after northwest suburban Costco evacuated due to bomb threat

Public urged to avoid Costco in Chicago’s northwest suburbs as police investigate

Authorities are asking the public to avoid a Costco in Chicago's northwest suburbs as they investigate an incident.

LAKE IN THE HILLS, Ill. - A bomb threat at a Costco in Chicago’s northwest suburbs prompted an evacuation and a large police response Monday afternoon, authorities said.

As of around 6 p.m., Lake in the Hills police gave the all-clear, saying there is no longer a threat and no injuries were reported.

What we know:

Police responded to the store about 3:30 p.m. in the 2500 block of Randall Road after receiving a report of a person claiming to be bringing a pipe bomb.

The store was evacuated, and officers secured the area.

The Kane County Sheriff’s Office also responded with its bomb squad and an explosives detection canine unit, police said.

As of about 5:45 p.m., authorities were conducting a thorough search of the property.  

What we don't know:

Authorities have not released details about the person who made the threat.

What's next:

The investigation is ongoing as police work to identify the caller behind the threat.