A suspected bomb attack has hit a luxury hotel in the Pakistani capital, Islamabad, killing at least 17 people.
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Ten police dead in Pakistan blast ... BBC's Barbara Plett who is at the scene says that the entire front section of the Marriott Hotel has been blown out and wreckage is everywhere.
She describes plumes of black smoke and rescue workers carrying out bloodied victims, as well as bodies.
Some reports say the explosion was caused by a suicide bomber, but this has not been unconfirmed.
Our correspondent says that the centre of the blast was at the front of the building close to the area where security checks are carried out.
She says that about two-thirds of the 290-room hotel is on fire, and the wounded and dead are still being brought out, on stretchers or wrapped in sheets.
Ambulances and police have rushed to the scene.
The Marriott is located near government buildings and diplomatic missions. Security there is tight, with guests and vehicles subject to checks.
Previous attack
The attack comes just hours after Pakistan's newly installed President, Asif Ali Zardari, said he would not allow Pakistan's territory to be violated by terrorists or foreign powers fighting them.
In his first speech to MPs since he replaced Pervez Musharraf in August, he vowed instead to "root out terrorism and extremism wherever and whenever they may rear their ugly heads".
Pakistan has been a key ally of the US in its "war on terror", but relations have become strained over tactics.
In recent months, Pakistan has voiced growing disquiet over US raids targeting militants in its territory, launched from neighbouring Afghanistan.
The Marriott is popular with foreigners visiting Pakistan, and has previously been the target of militants.
Last year a suicide bomber killed himself and one other in an attack at the hotel.
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(BBC)
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