15-year-old shot in back in Brooklyn in grave condition

Police are investigating after a teen was shot and critically injured in Brooklyn on Monday afternoon.
The 15-year-old boy was shot in the back near 2007 62nd St. just after 1 p.m.
He was taken to Maimonides Medical Center where his condition is said to be very grave.
The suspect is described as a male wearing a gray sweater, black or red sweatpants and gray sneakers.
Witnesses described seeing a group of teenagers gathered before hearing as many as five shots.
They say kids scattered in all directions, including the 15-year-old victim, who fell in the street about half a block from where he was shot.
Residents in the neighborhood said they were stunned and fearful as it is a neighborhood filled with young families and small businesses.
No arrests have been made and the investigation is ongoing.