Horror and death in former Syrian rebel stronghold

If Syria's rising had an epicenter, Homs would be it.  NBC's Ayman Mohyeldin reports from the besieged city, where brutal shelling and attacks have made life harrowing and for those who try to flee, perilous. 

Just getting in to see opposition-held area is dangerous. Those living there say they have been shot at, and many no longer have electricity and water. Sounds of gunfire punctuate the day. 

And in a neighborhood where some resistance remains, the population continues to bury its dead.  

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