Police have begun investigating a pre-dawn attack on Microsoft company headquarters in Greece. The assailants forced security guards to clear the building and then ignited an incendiary device.
The assailants apparently drove through the front doors in a van and set off the device, which blackened the building's entrance, police said. No one was hurt in the attack in an Athens suburb.
Police said it appeared that three assailants were involved. They set off the incendiary device - thought to have been made up of several gas canisters - in the van and let it burn out after forcing the two security guards to leave the building, police said.
Small anarchist or domestic terrorist groups have carried out sporadic attacks in Greece in past decades. They often targeted buildings that were symbolic of state or financial power. Injuries are rare.
ncy/ipj (AP, dpa)