Panic at 40,000 feet: Virgin Atlantic flight's cockpit windscreen cracks, makes emergency turnaround

A Virgin Atlantic flight from London to San Francisco turned back mid-flight after a cockpit windscreen crack at 40,000 feet between Greenland and Iceland. The exact cause remains unknown, ruling out a bird strike, as the cockpit windscreen is made up of multiple layers. A Virgin spokesperson assured passengers of safety amidst cabin decompression concerns.