At least five people were injured, three seriously, when a car slammed into a tree Wednesday afternoon outside Eastern Senior High School in Southeast Washington, District police and fire officials said.

The accident occurred about 1 p.m. at East Capitol and 17th streets. Details were not immediately available, but authorities said that one vehicle was involved.

A D.C. fire department spokesman, Battalion Chief Brian Lee, said five patients were taken to city hospitals, three with severe injuries, including an 11-month-old child. Officer Araz Alali, a police spokesman, said one person was trapped in the wreckage and another was found outside the car lying in the street.

The D.C. police Major Crash Unit, which handles the most severe accidents, is investigating. As of 2:10 p.m., D.C. police reported that all lanes were open around the accident scene.