Death plunge suspicious: police Police are investigating the death of a man who was seen plunging from a Shau Kei Wan building in mysterious circumstances at 9.50pm yesterday. Initial investigation found bruises on the man's back and police classes the case as suspicious. The incident interrupted tram services. Four boys sought over attack Police are looking for four boys, thought to be 13 or 14 years old, who pushed a 20-year-old woman to the ground in an attempted robbery outside Yuk On House, Kam On Court in Ma On Shan at about 1.30am. They fled empty handed when she shouted for help. She was treated for minor injuries. Trio held, cars seized Three men were arrested on suspicion of handling stolen property during a police raid on a garage in Lok Shan Road, To Kwa Wan, on Thursday night. Two cars, believed to have been stolen, were seized. The three men were still being held for questioning. Officers from the Organised Crime and Triad Bureau are investigating. Pupils thrown from bus seats Five pupils were taken to Queen Elizabeth Hospital after they were thrown from their seats when their school bus braked heavily to avoid hitting a taxi in Fung Shing Street, Wong Tai Sin, at about 7am. The boys, aged between five and seven, complained of feeling unwell. They were discharged after treatment. Pair return to HK for treatment Two men, injured when they were robbed on the mainland, returned to Hong Kong to seek medical treatment at about 5am. The pair, aged 23 and 33, were treated for minor injuries at North District Hospital. Body of old woman found in river The body of a woman, thought to be aged about 70, was found floating in Shing Mun River near the Yuen Wo Playground in Sha Tin. No identity document was found on her and there were no external wounds on the body. Man found dead at campsite A 50-year-old man was found dead in a tent at a campsite in Sai Kung Country Park. The man, Chan Kwok-fai, had burned charcoal inside the tent. A doctor airlifted to the site declared him dead.