BA Flight to Chicago drops 27,000 feet, returns to London

A British Airways passenger jet flying from London to Chicago declared an emergency after experiencing a rapid descent. The aircraft dropped 27,000 feet within seven minutes during the flight. Following this incident, the plane returned to London to make an emergency landing. This event occurred amidst other updates, including British Airways requiring negative tests for flyers bound for NYC and President Biden receiving his Covid vaccine shot, as reported in recent aviation and health news updates.