Chicago police issued a community alert this afternoon warning about a criminal sexual assault early this morning on the city's Southwest Side.

Shortly after 3 a.m., a 48-year-old woman was sleeping in her home on the 5200 block of South Nagle Avenue when she was awakened by a man who sexually assaulted her, police said.

Police only had a vague description of the man, saying he is tall, thin and was wearing a dark hooded sweatshirt.

Anyone with information about the attack should contact the Area Central Detective Division at (312) 747-8380.

dawilliams@tribune.com

Twitter: @neacynewslady