pakistan hotel marriott blast explosion bomb

Video: Blast rocks Pakistan hotel

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Dozens die in attack on Islamabad hotel

It was a massive blast – killing dozens and injuring hundreds in the heart of Islamabad, Pakistan’s capital.

The explosion at the US-owned Marriott hotel comes after Pakistan’s new government vowed to increase the pressure on al-Qaeda-linked fighters.

Asif Ali Zardari, Pakistan’s president, says he will rid his country of what he calls “the cancer of terrorism”.

Al Jazeera’s Imran Khan reports.