At least seven people have been injured after a large white box truck plowed into them on a San Francisco street on New Year's Day.

The incident occurred around 3:45 p.m. local time in the area of Geary and 21st Street, KRON reported.

https://twitter.com/Breaking911/status/947985827052834817

Two of the victims have suffered serious injuries, according to the reports. Multiple ambulances and a fire truck have been dispatched to the scene.

"The two serious injuries have been sent to the TRUAMA center. Evaluating the 5 minor injuries. Some Victims are from the car, not all were pedestrians. On going scene AVOID AREA," San Francisco Fire tweeted.

https://twitter.com/sffdpio/status/947979758616297472

The department declared a "possible red alert."

https://twitter.com/SFFFLocal798/status/947977772634427393

The two victims in the most serious condition are elderly. One whose condition was described as "life threatening" and another described as "serious."

A family of five in a vehicle, with ages ranging from pre-teen to adult, suffered minor injuries.

https://twitter.com/sffdpio/status/947982793383936006

It is unknown if the act was intentional.