CLINTON,Md. -- Police in Prince George's County, Md., said a man accused of walking into a mobile phone store, dousing his wife with gasoline and then setting her on fire is now behind bars.

Roger Hargrave, 33, was arrested shortly after 11 p.m. Monday in District Heights, Md.

Witnesses told police that Hargrave walked into the T-Mobile store in Clinton, Md., where his wife worked, and began throwing gasoline on her. Witnesses said the woman ran outside and Hargrave followed her and set her on fire with a match.

Police spokeswoman Cpl. Diane Richardson said a customer who was in the store quickly went to the woman's aid and put the fire out as the woman's husband calmly walked away.

"The victim had obtained a Ex Parte order," Richardson said. " She obtained that back in July. He came here anyhow, he didn't care, he didn't care who was in the store and he didn't care who witnessed this. All he wanted to do was hurt her."

Police said that Ex Parte order was canceled last month.

The 31-year-old victim is in the hospital with third-degree burns over more than 50 percent of her body.

Hargrave faces charges of attempted murder and assault.