DES MOINES — Four men died and a woman was injured in a fiery single-vehicle crash southwest of downtown Des Moines early Sunday.

Des Moines Police said the crash happened around 2:30 a.m. Sunday on George Flagg Parkway near Water Works Park. The 2013 Volkswagen Golf caught fire after crashing into a tree with five people inside.

An officer responding to the crash was able to pull a 22-year-old woman from the wreck. Police said she was in serious condition at a hospital.

The vehicle’s 22-year-old driver and three passengers, ages 22, 23 and 24, died in the crash. Their names weren’t immediately released.

Police said excessive speed was a factor in the crash.