Activities are paralyzed in the metropolitan area of Port-au-Prince, Haiti, where attacks have intensified and clashes have been reported between security forces and armed men. Displaced people have erected barricades in the streets to protest gangs and crime and demand to be allowed to return home. "We will not leave our homes or our neighborhoods to armed gangs. We cannot leave the country to them. Never," a displaced person says. IMAGES AND SOUNDBITES