A man walking in Columbia Heights on Friday evening was forced into a van at gunpoint and sexually assaulted by a group of as many as seven people, police said Sunday.

The alleged assault happened at about 8 p.m. at 14th Street and Parkwood Place in Northwest. The victim was approached by one suspect, forced into a white van and assaulted, police said.

They are seeking a Hispanic male, 6 foot, 1 inch to 6 foot, 2 inches in height, 22 to 27 years old, with a slim build and short, black curly hair. He wore an orange shirt and grey sweatpants, police said, and he had a gun.

Another suspect was described as heavy-set man, 17 to 19 years old, with a light complexion.

Police said at least five other males of unknown descriptions were also involved.

Anyone with information should call police at 202-727-9099 or send information by text message to 50411. D.C. Crime Solvers is offering a reward of up to $1,000 to anyone who provides information that leads to the arrest and conviction of a suspect.