COLORADO SPRINGS, COLO. -- Colorado Springs Police officers said a homeless man who was beaten at a park Sept. 13 died Thursday at the hospital.

According to officers, 47-year-old John Carlos Martinez was hit repeatedly around 11 p.m. Sept. 13 while he was sleeping on the playground at Dorchester Park in the city. A person reported the assault the next day.

Martinez was taken to the hospital with severe injuries but survived nine days before dying around 1:35 p.m. Thursday.

Officers said they don't have any information on suspects.

The El Paso County Coroner ruled Martinez's death a homicide, saying he died from blunt force trauma.

There have been 23 homicides in Colorado Springs in 2011 compared to 17 at this time in 2010.

Anyone with information on the assault is asked to call police.