Afghanistan, Oct. 7 -- A medical helicopter crashed in Sacramento, California, injuring three crew members critically, after returning from a patient transfer; firefighters rescued one trapped beneath.

A medical helicopter crashed Monday night in Sacramento, the capital of California, leaving three people on board critically injured, local authorities said. One of the victims was trapped beneath the aircraft and was rescued after an intense effort by firefighters and bystanders.

The helicopter, operated by REACH Air Medical Services, had just completed a patient transfer to a nearby hospital when it experienced a mid-air emergency on its return flight to base. The crew included a pilot, a flight nurse, and a paramedic - all of whom were t...