Updated

A 30-year-old Michigan man has been arraigned on child abuse charges after authorities say he restrained his girlfriend's 5-year-old son with belts, leaned him back over a footstool and poured water down his underwear-covered face.

WEYI-TV (http://bit.ly/1HqkGJm ) says Michael Porter appeared in court Monday, and a judge set a $400,000 for Porter. It's not clear if he has a lawyer.

Authorities say Porter also prodded the woman's 12-year-old son in the chest and throat with a knife.

Mount Morris police Chief Keith Becker says both boys have been removed from the home.

Becker says the man used waterboarding to punish the 5-year-old after he ripped his backpack.

The chief says school officials notified police after noticing that the boy acting differently.

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Information from: WEYI-TV, http://www.nbc25.net