ONTD

Kourtney Kardashian was left fuming with Scott Disick after he left their son Mason in a hot car while he shopped last week.

According to eyewitness, the father-of-two left his two-year-old son in the back of his SUV without any air conditoning while temperatures reached 107 degrees.

"He was out of the car for at least five minutes and should have never left his son alone!" a source told the Enquirer.

"The car was parked in the hot sun with the boy alone in the back. The car was not running, so the air conditioner wasn’t on, and the windows were rolled up," the source added.

An insider also revealed to the magazine that Kourtney was livid with Scott after she found out about the incident.

"All she could think about is that Mason could have died," the insider revealed.

"She read Scott the riot act, and so did her sisters Kim and Khloe. They don’t want Scott taking the kids anywhere now unless someone is with him."

source