Update, 9 p.m.: Surratts Road was reopened nearly six hours after the road was shutdown Thursday afternoon after two cars were involved in a fatal car accident.
Prince George's Police Office Kevin Bowden died from injuries sustained in the crash.
Update, 6:30 p.m.: The officer involved in this serious accident has died. An update on this story is available.
Update, 6:05 p.m.: Two southbound lanes of Branch Avenue have reopened, but the northbound side remains closed as officials continue to investigate the cause of the accident. Surratts Road also remains closed about a mile out from the intersection with Route 5.
Follow @UMarlboroPatch on Twitter for more details as they break.
Police officers and officials are gathering at Southern Medical Hospital where the critically injured police officer was transported after the accident.
The female driver of the SUV was also transported to a local hospital with non-life threatening injuries.
Original Post, 4:25 p.m.: Police and EMS officials have shut down Route 5 and Surratts Road in both directions in Clinton due to an accident involving a Prince George's County police officer.
According to county officials, the crash occurred along Surratts Avenue at Branch Avenue just after 3 p.m.
The county police officer is critically injured and was rushed to a local hospital after his cruiser collided with a SUV before hitting a pole, NBC Washington reports.
Authorities described the accident as serious. Another person was also transported to the hospital, according to ABC7.
This is the second police-involved collision in two months. On Aug. 20, Off.
Delays should be expected this afternoon in Clinton and southern Prince George's County.