The captain went to a toilet just outside the cockpit, and when he emerged began shouting "Iraq, al-Qaeda, terrorism, we're all going down!" according to the Amarillo Globe-News newspaper.<br /><br />"It was a little scary. He was pretty freaked out," passenger Heidi Karg told a US network. <br /><br />"When they were trying to calm him down... they had to restrain him and a bunch of male passengers ran to the front of the plane to subdue him."<br /><br />The FBI is investigating the incident on Flight 191 from New York, which had 135 passengers on board, when the pilot-in-command decided to redirect the plane to Amarillo, Texas.<br /><br />JetBlue said in a statement the flight was diverted due to a "medical situation" involving the captain, but made no mention of any commotion on board.<br /><br />Al Jazeera's Bhanu Bhatnagar reports.
