Gunmen rampage through medical clinic, killing 7 people in Guatemala's capital; motive unknown

Authorities in Guatemala say gunmen burst into a medical clinic in the capital and shot seven people to death.

Guatemala City fire department spokesman Raul Hernandez says the attackers shot four people on the ground floor, one on the stairs and two more on the second floor before fleeing on Thursday. He says six victims died at the scene and the seventh one at a hospital.

Hernandez says authorities don't know the motive for the attack.

Guatemala is one of the most violent countries in the world with a homicide rate of 39 per 100,000 people.