Two people have died and three others have been injured in a shooting Wednesday at a linen store in Chester, Pennsylvania, officials say.

The shooting happened at Delaware County Linen.

Delaware County Linen describes itself on its website as a family-grown "full service linen company that was founded in 1988," serving restaurants, country clubs, hotels and other businesses.

The cause of the shooting was not immediately clear.  

This is a developing story. Please check back for updates. 

Fox News' Jeremy Copas contributed to this report.