Only minor injuries reported after crane's arm plummets to the street in Manhattan
                                
                                
                                    (Newser) -
                                    A towering construction crane caught fire high above the west side of Manhattan on Wednesday morning, then  lost its long arm , which smashed against a nearby building, dangled, and then plummeted to the street as people ran for their lives on the sidewalk below, the  AP  reports. Four people suffered...