Porto: At least four people were killed after a medical helicopter crashed in a mountainous area near Porto, Portugal’s second biggest city. The local media and the country’s INEM emergency service Also Read - Portugal 'Invites' Indian Travellers to The 'Country of Contrasts'

Reportedly, state broadcaster RTP and daily Correio de Manha reported the helicopter had crashed on Saturday, killing two pilots, a paramedic and a doctor on board. The helicopter was found in the Salto area. Also Read - Kobe Bryant Chopper Crash Pilot Had no Drugs or Alcohol in System: Autopsy Report

The INEM helicopter went missing at around 6:30 on Saturday after dropping off a 76-year-old patient suffering from cardiac problems at a hospital in Porto. Also Read - Drink Wine All Day, Sleep in Barrel? THIS 280-Year-Old Vineyard is Offering Luxurious Stay With Breathtaking View

According to INEM, the helicopter was on its way back to its base in the district of Braganca when it crashed in bad weather.

The helicopter was an Agusta A109S, operated by the company Babcock.

“The INEM medical emergency helicopter was built in 1997 and has since carried out the transport of 16,370 urgent patients, without [registering] any serious incident,” INEM wrote on its website.