41.   Police did not discover any bomb or weapon on the plane and were investigating the motive behind the attempted hijacking, officials said.

42.   Police have said they are still investigating the motive for the killing, which comes amid a rising murder rate nationwide.

43.   Police are investigating the motive for the murder, the official said.

44.   Police are still investigating the motive for the killings.

45.   Police said they were still investigating a motive for the kidnap and relatives said no ransom demand has been received.

46.   Police were investigating the motive behind the suicide-homicide case in a flat in Tsuen Wan on Tuesday.