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FORT WORTH (CBSDFW.COM) - A south Fort Worth man barricaded himself in a home for four hours Monday afternoon, while threatening suicide.

Police were called to the home on Townsend Drive shortly before 11:30 Monday morning.

"A man had barricaded himself in his home. He had assaulted his mother, who subsequently called police," says Sergeant Marc Povero.

He says 41-year-old Brent Savoie opened up the natural gas lines to the house and was threatening to kill himself.

A neighbor, Maria, says Savoie had been acting strange recently.

"We saw him painting his face with camouflage."

After hours, SWAT officers broke down the door, and Savoie walked out waving a sword. But a short time later, while handcuffed, he tried running off, but didn't get very far.

The man is undergoing a mental evaluation and will eventually face assault charges.