Authorities are warning pet owners about tennis balls filled with firecrackers or other explosives ahead of the Fourth of July weekend.

An unidentified man allegedly built a homemade bomb hidden inside of a tennis ball and planted it in a strangers' residential garage.

Authorities are warning pet owners about tennis balls filled with firecrackers or other explosives ahead of the Fourth of July weekend.

A pipe bomb tutorial featured in the summer 2015 issue of Inspire magazine. (Al-Qaeda in the Arabian Peninsula) “How to make a bomb” ranked in the top 10 terms searched on Google in September and ...

Authorities are warning pet owners about tennis balls filled with firecrackers or other explosives ahead of the Fourth of July weekend.