Thousands of Chinese troops have flooded into the regional capital of the country’s westernmost Xinjiang province following bloody clashes between the city’s Han Chinese and Uyghur populations. Four days after the violence that left at least 150 dead and over a thousand injured, reports indicate an unsteady calm has returned to the city of Urumqi. We go to Urumqi to speak with Al Jazeera English correspondent Melissa Chan. [includes rush transcript]