Be glade that you do not live in the UK.

If that had happened in the UK anyone lifting one finger to protect those babies can expect to kiss goodbye to their freedom.

Why?

Because had someone so much as harmed one hair on that P.O.S. head, irrespective of circumstance, the likely hood is that they would be tried for Murder/Manslaughter/G.B.H

The theoretical position is that you may use reasonable force, which most people (like myself) would consider to be deadly force. The practice, as demonstrated by the De Mendez affair, is somewhat different.