A suspect was shot and killed by police and four other people were injured when gunfire broke out Friday morning outside the Empire State Building. Details are sketchy, but the shooting started shortly after 9 a.m. on the crowded sidewalks outside the iconic skyscraper.A man wanted by police was shot and killed, while four other people were wounded before the gunfire stopped. It was unclear if the victims were linked to the dead suspect or innocent bystanders.