Plane door blows open mid-flight on Cape Air trip to Boston

Eight passengers on board a Cape Air flight to Boston suddenly staring at open sky after the main cabin door partially gave way mid-flight. >> Probably 10 minutes in. We heard like a pop.It was half the window. There's there's two halves. Like there's the bottom half and the top and the top flipped open. The bottom half was still there.>> Sheila Fee and Elizabeth Fuller say they noticed an issue with the door before takeoff. It was like not like snapping into place and then again and then we were like I thi ...