LOCATED: Derren Richardson, 13, missing since Monday

WASHINGTON (WJLA) - D.C. police said a 13-year-old boy from Northwest who had been missing since Monday has been located.

Derren Richardson, 13, was last seen in the 300 block of Webster Street NW on Monday. On Wednesday, police announced he was critically missing.

"Critically missing" indicates the child may be in danger, may be in need of medical attention, or the disappearance is unusual behavior for the missing person.