They had the men stretched out upon the grass.

One had a severed artery in his arm, where the arm had been cut upon the broken glass wind shield.

The man's blood was pouring in great spurts through the wound, but the boys were already adjusting the tourniquet, for which they used a handkerchief, and in a minute they had the bleeding stopped, as well as I could have done it.

I've no doubt they saved the man's life, for without prompt help he'd have bled to death in a short time.
"The other man was cut and bruised, and the boys were making him as comfortable as possible until an ambulance came to take him to a hospital.

There was really nothing I could do that the boys had not already done promptly and remarkably well.
"The instant they had discovered the accident two boys had run away to summon an ambulance and to notify the police, and in a little while an ambulance with a surgeon and two policemen came and took the men away.
"The boys were only about Andy's age, and I wondered at their training and efficiency.