Yemeni soldiers kill 15 protestors

Troops loyal to Ali Abdullah Saleh, the Yemeni president, have opened fire on protesters in Sanaa, killing at least 15 people and injuring hundreds. Tens of thousands of protestors calling for an end to president Saleh's 33-year rule took to the streets of the capital a day after protesters stormed Yemen's main university. Al Jazeera's Imran Khan reports.