"The president was there, but he is safe and sound," said a source at the presidency.
"The kitchen is covered in blood and part of the building is riddled with bullet holes," said one witness who declined to be identified, saying the main gate had been blown out with a rocket-launcher, according to Rueters.
Soldiers erected roadblocks throughout the city after the attack, carrying out checks on all vehicles on the road. Army pick-up trucks full of soldiers patrolled the streets, but only a few residents ventured out of their homes.
Neither the presidential source nor a second source close to the presidency said they had any information at this stage on who the attackers were. There was no information on the identity of the person killed in the attack.
Conde came to power in the world's largest exporter of the aluminium ore bauxite last December after the first free election in the West African country since independence from France half a century ago