A dispute over dog waste in a park led to a violent incident in Iowa. An argument between neighbors escalated, resulting in one man throwing a lit mortar firework. The firework exploded in the neighbor's garage, causing damage and filling the space with smoke.

The man, 31 years old, was arrested and faces charges including felony intimidation and reckless use of explosives. He admitted to throwing the firework, citing harassment by his neighbor as the reason. Further details on the incident are available from the source, including the events leading up to the altercation and the charges the man is facing.