IED near Alabama reservoir detonated after officials warn of 'unprecedented' critical infrastructure threat

A grenade-type improvised explosive device was discovered and detonated in an Alabama reservoir that serves as the sole drinking water source for roughly 350,000 people, officials said Thursday.

Divers surveying the Converse Reservoir Dam for routine maintenance discovered the bomb, which the Mobile Area Water and Sewer System (MAWSS) described as a "grenade-type IED," and immediately alerted the Mobile County Sheriff’s Office (MCSO), according to authorities.

The device was secured...