As winter weather returns to Southeast Michigan, police are urging drivers to be careful following two crashes over the weekend involving a police vehicle and a fire truck.

Icy road conditions caused some semi-trucks to lose control in Shiawassee County Saturday night.

Icy road conditions caused several semi-trucks to lose control on I-69 in Shiawassee County on Saturday night.

A semi-truck jackknifed on eastbound I-69 near Hammerberg Road late Tuesday, closing the freeway for several hours overnight.

Add Yahoo as a preferred source to see more of our stories on Google. Drivers were warned to be cautious after a semi-truck jackknifed on an interstate in Minnesota amid a snowstorm on Wednesday, ...

Two semi-truck drivers were killed in separate crashes early Monday on icy Minnesota highways. According to the Minnesota State Patrol, the first crash happened at about 2 a.m. Monday on northbound ...

LANSING, Mich. (WLNS) — A Michigan State Police patrol vehicle and a Perry Fire Department fire truck were struck by tractor-trailers in separate crashes on eastbound Interstate 69 in Shiawassee ...

WATCH: Relief in sight for shoppers after semi-trucks off icy highways and headed to their destinations ...