Masked Palestinian Gunmen Stall Rock Concert in West Bank City The Associated Press Published: Jul 5, 2005 NABLUS, West Bank (AP) - Shooting into the air, dozens of masked gunmen cut short a rock concert by a popular Palestinian singer in the West Bank city of Nablus on Tuesday night. Defying the burning tires and chants against him, the singer, Ammar Hassan, was whisked onto stage 45 minutes late. He opened his show with a song about "Holy Jerusalem" in an apparent effort to appease the gunmen. Less than an hour later, however, guards ushered him off stage. The concert...