Police: Man stabbed 2 people and dog in spat over dog waste

Two people and a dog were stabbed Saturday morning during a fight over dog waste, Bridgeport police say.
Investigators say the attacker was angry that a man passing by let his dog use his lawn as a bathroom.
They say the property owner then pulled out a pocket knife and stabbed the man, his friend and the dog.
None of the victims' injuries were considered serious.
The man was charged with assault and cruelty to animals.