2 dead after an employee at a fire-hydrant plant in Albertville, Alabama, opened fire on his colleagues, police say

• At least two people are dead after an employee shot at colleagues in an Alabama plant, police said.
• It was at the the Mueller Co., a manufacturing group in Albertville, Alabama, reports say.
• The location of the shooter isn't known.
• Visit Insider's homepage for more stories.

At least two people are dead after an employee of the Mueller Co., a manufacturing group that makes fire hydrants and other products, opened fire on his colleagues at their Albertville, Alabama, plant on Tuesday morning, police say.

The shooting took place around 2:30 a.m. local time, WAFF and CBS42 reported, citing police.

The shooter left the scene immediately after the attack, and their location remains unknown, WAFF reported.

The two victims were also Mueller Co. employees, multiple reports said. Their identities are not known. Two other people were injured, WAFF reported.

The Albertville Police Department said it would hold a press conference on the shooting later on Tuesday.