China's state news agency reported that a gang attacked a police station and government offices in the troubled northwest region. China has fingered Xinjiang separatists for several serious attacks in recent months.
Boko Haram last week tried to assassinate a moderate Muslim prayer leader and a leading contender for Nigeria's presidency. Its latest abductee is the wife of Cameroon's deputy prime minister Amadou Ali.
A new offensive is under way in the separatist region of Donetsk. The MH17 crash scene, meanwhile, has become chaotic, with international investigators finding access limited or blocked outright by rebels.