The boy, believed to be in his early teens, has been rushed to hospital with “serious” injuries.
The major motorway has been shut in both directions.
West Midlands Police said in a statemnet: “The M5 is currently closed in both directions between junctions two and three after a pedestrian was hit by several cars at around 11.15am today.
“The pedestrian, believed to in his teens, has been taken to hospital with serious injuries.”
More to follow…