4 people shot in 12-hour period in D.C.

Four people were shot and injured in the District in a 12-hour span, and police said that the culprits in the incidents intended to rob the victims.

The first incident took place about 1 p.m. Tuesday in the 3500 block of 18th Street SE. Two people waiting for an ice cream truck were approached by two men, one of whom was armed and demanded shoes. One of the victims was then shot in the lower back and was taken to a hospital, police spokeswoman Officer Tisha Gant said.