At least 10 more people have been killed and 21 others injured as sporadic clashes continued between Sunni and Shia tribes despite a cease-fire brokered between the two warring communities in Pakistan's restive northwest, police said on Wednesday. The latest violence took place on Tuesday in Kurram district, bordering Afghanistan, in Khyber Pakhtunkhwa province. At least 10 people died and 21 others injured in the sporadic tribal sectarian violence, police said. "An agreement has been reached for an extension of the cease-fire for another 10 days," Deputy Commissioner of Kurram Javedullah Mehsud said. The deputy commissioner stated that during the past week, 100 people have lost their lives, and 180 others have been injured in the clashes. He further mentioned that all parties will vacate their positions starting tomorrow, adding that both police and army personnel will remain deployed in Kurram. The clashes between Alizai and Bagan tribes in Kurram district started on Friday la