Tanzanian Military Helicopter Crash in Dar
 

On Sunday, a military Bell 212 which was about to take the Vice President of Tanzania and the Dar Es Salaam regional police commissioner on an aerial tour of the flooded areas around the city, crashed on take off from Julius Nyerere International Airport. I heard that it was parked very close to the hangar and one blade struck the building on take off. Luckily there were no serious injuries.
Tanzania Vice President Survives Helicopter Accident in Dar es Salaam

Well, looking at the pictures I'd say one of the blades of the tail rotor...