A rare, powerful earthquake struck Morocco late Friday night, killing more than 800 people and damaging buildings from villages in the Atlas Mountains to the historic city of Marrakech.  The toll was expected to rise as rescuers struggled to reach the remote areas hit hardest. People woken by the quake ran into the streets in terror and disbelief. State television showed people clustered in the streets of Marrakech late at night, afraid to go back inside buildings that might still be unstable