I saw a runner collapse in front of me - doing 1 thing within seconds saved his life

Summary
A runner crumpled at the finish line but the one decisive move a medical student made within seconds saved his life.
Description from Daily Express.
Who is covering this
-
I saw a runner collapse in front of me - doing 1 thing within seconds saved his life
A runner crumpled at the finish line but the one decisive move a medical student made within seconds saved his life.