A bomb explosion at a luxury hotel in the Pakistani city of Quetta, the capital of Balochistan province, has killed at least four people and wounded 11.<br />'' <br />''Pakistani Taliban have claimed the attack.<br />'' <br />''Chinese Ambassador to Pakistan is suspected to have been the target of the attack.<br />'' <br />''The hotel provides accommodation for government officials and visiting dignitaries.<br />'' <br />''Pakistan's Interior Minister Sheikh Rashid Ahmad said that a car that was full of explosives exploded in the hotel.<br />'' <br />''He added that the Chinese ambassador, Nong Rong, was at a function at the time and so was not at the hotel.<br />'' <br />''Balochistan's provincial Home Minister Ziaullah Lango said that Mr Nong was "in high spirits" and that his visit to Quetta would conclude today.<br />'' <br />''Balochistan is the site of a long-running separatist insurgency.<br />'' <br />''In recent months Pakistani Taliban have stepped up attacks in tribal areas near the border with Afghanistan.<br />'' <br />''<span style="color: #222222;">Militants want independence from the rest of Pakistan, and oppose major Chinese infrastructure projects in the area.</span><br />