Al-Jazeera Video: Inside Story - Syrian conflict: The beginning of the end?

"The streets of Damascus have seen the heaviest fighting since the begining of the Syrian uprising 17 months ago. Since Friday, the capital has seen gunfights and shelling. And according to reports, mortars and helicopter gunships have been used. The fiercest fighting yet has been reported in various parts of the capital between rebel forces and government troops. These are significant developments - but does it mean the conflict is reaching its final decisive phase?"