SWAT responds to Loop business after man shot

A man was shot early Saturday in the Loop. (Sun-Times file)

A Chicago police SWAT team responded to a shooting early Saturday at a business in the Loop to search for a gunman who wounded a man, police said.

A man, 21, was shot during an argument with another man about 2:15 a.m. at a business in the first block of South Franklin Street, according to Chicago police.