PHOENIX — Police swarmed a convenience store on Friday and detained a man who they believe may have ties to a string of freeway shootings that have rattled Phoenix over the past two weeks. It's not clear whether the man detained is the only person of interest. Some shootings involved bullets fired at random cars, others involved projectiles — possibly BBs or pellets — and one was apparently road rage, spokesman Bart Graves said. Phoenix drivers have been unnerved since the shootings began Aug. 29, mostly along Interstate 10, a major route through the city. Eight of the cars were hit with bullets and three with projectiles that could have been BBs or pellets. The Department of Public Safety identified the man detained on Friday only as a 19-year-old from a Phoenix suburb. — AP