ISLAMABAD -- Authorities in Pakistan say they have arrested a key orchestrator of the suicide attack that killed three Chinese teachers at Karachi University in April, while Beijing signaled on Wednesday that it appreciates the "positive efforts" but still expects more to be done to protect its people and interests.
Terrorism
Pakistan arrests Karachi bombing suspect as China urges more action
Beijing repeats demand to 'ensure safety of Chinese personnel and institutions'
A burned out van sits in a cordoned-off area after an April 26 suicide bomb detonated at the University of Karachi's Confucius Institute, killing three Chinese teachers and a Pakistani driver. © Reuters
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