SILVER SPRING, Md. (WUSA9) -- Montgomery County Fire and Rescue Department responded to an ambulance accident in Silver Spring, Monday evening that left seven people injured.

According to authorities, the crash happened at the intersection of Georgia Avenue and Hathaway Drive. An ambulance, a Nissan sedan and a Toyota pickup truck were involved in the accident, authorities said.

Authorities said, the ambulance involved was from a private company.

LAUREL, Md. (WUSA9) -- Maryland State Police have arrested a woman who they say stabbed a man multiple times with a screw driver.

It happened on Sunday, July 20 around 1:35 p.m. at a 7-Eleven located at 9250 New Hampshire Avenue in Silver Spring, police said. They say the victim, a 46-year-old man from Greenbelt, and the suspect, 45-year-old Elsa Torres, also from Greenbelt, were traveling southbound on I-95 at Route 198 in Laurel when an argument began.

Police say it escalated to the point that Torres stabbed the victim several times with a screwdriver. The victim then drove to the 7-Eleven where he requested medical assistance and was transported to a local hospital.

Torres is charged with carrying a dangerous weapon, 1st and 2nd degree assault.

SILVER SPRING, Md. (WUSA9) -- Hazmat crews are at Holy Cross Hospital where a chemical odor is affecting some workers.

Montgomery County fire officials say a five gallon container with a chemical was removed Wednesday night but may have left a residual smell.

Hazmat crews are working to determine and locate the origin of the smell.

Some workers were evaluated on scene. There were no serious injuries.