A loud explosion has been heard Wednesday in the outskirts of the southwestern Pakistani city of Quetta but details are not immediate known, police said.

Source: XinhuaRelated Reading

• S. Korea remain lukewarm on food aid to DPRK

• 10 killed in violent protest in Afghan town

• 100 Afghan army personnel killed in 2 months: official

• Senior U.S. diplomat visits Myanmar

• Demonstration in Afghan town turn violent as 2 killed

• Afghans protest against alleged killing of civilians by NATO

• 20 militants killed in checkpost attack in Pakistan

• Senior al-Qaida operative arrested in Pakistan

• Taliban in Pakistan denies involvement in Saudi diplomat's killing: TV

• 5 foreign attackers killed at check post in SW Pakistan

• Pakistani army lodges protest over NATO incursion

• 4 killed in shootout in Mastung, Pakistan

• Four dead, several missing in coal mine explosion in central China

• 7 killed in U.S. drone strike in northwest Pakistan

• Explosion in Mogadishu kills 5 pro-gov't soldiers

• Pakistan, U.S. discuss bin Laden raid aftermath