An Iraq war veteran suspected of killing six family members in towns around Philadelphia was being hunted on Monday by Pennsylvania police, authorities said.
The manhunt for Bradley William Stone, 35, was concentrated in and around Pennsburg, Pennsylvania, where residents were advised to remain indoors with their doors locked, the Montgomery County district attorney said.
Stone, who lives in Pennsburg, was being sought in the shooting deaths on Monday of his ex-wife, his former mother-in-law, former grandmother-in-law, former sister-in-law and two other family members, District Attorney Risa Vetri Ferman said at a news conference.
"As we stand here right now, we don't know where he is," she said. Pennsburg is about 50 miles (80 km) northwest of Philadelphia.
Stone took his two young daughters from the home of his ex-wife but left them with a neighbor and they were safe, Ferman said.
Stone at times uses a cane or walker, but Ferman said it was not clear if he actually needed a device and may not be using one.
Stone suffers from post-traumatic stress disorder, local media said.
"Stone should be considered armed and dangerous," Ferman's office said in a Facebook post.
Stone was described as 5 feet, 10 inches (178 cm), 195 pounds (90 kg), with a reddish beard and mustache, and closely cropped hair.
NBC reported that Stone had enlisted in the US Marine Corps Reserves in 2002 and was honorably discharged in 2011. He was deployed at least once to Iraq, NBC said, adding that his military records did not show that he had been wounded in combat.
Stone was believed to have gone on a shooting spree in three towns, first killing his ex-wife's sister, husband and 14-year-old daughter in Souderton at about 3:30 a.m. ET, the district attorney said.
A 17-year-old son survived but was wounded and hospitalized, she said.
About an hour later, police received a hang-up call to 911 pointing them to a home in Lansdale, Ferman said.
There they found two dead women - Stone's former mother-in-law and former grandmother-in-law, she said.
About a half hour later, police received a 911 call from a neighbor of Stone's ex-wife, Nicole, in Lower Salford, Ferman said.
Police found the 33-year-old ex-wife shot to death, she said.
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