MADISON, Wis. -

Police said a man from Colorado was arrested in downtown Madison on suspicion of taking indecent pictures of a teen in a restaurant bathroom.

The Madison Police Department said Lucas M. Macias, 42, of Denver, Colo., was at a restaurant on the 600 block of State Street at about 2:23 p.m. Friday. Macias approached a 17-year-old boy in the restaurant's bathroom and used his cellphone to take photos of the teen, the report said.

The 17-year-old told a relative what happened immediately, police said. Officers were able to find Macias in the area and take him into custody.

Macias is charged with attempted child pornography and representations depicting nudity, according to police.