Police explode grenades found in Tuen Mun Police bomb-disposal experts detonated two live grenades and 36 rounds of 7.62mm-calibre ammunition found wrapped in cloth on a hillside opposite Sam Shing Estate, Castle Peak Road, Tuen Mun yesterday. Search for constable Police launched a search in Sai Kung for off-duty Cheung Sha Wan police constable Lee Kwok-chung, 28, after he called his younger brother and asked him to look after their parents. Drugs seized in Mongkok Police arrested a divorced couple and seized $20,000 worth of the drug Ice in Kam Fong Street, Mongkok. MARK SIX One ticket won the first prize of $5 million in last night's lottery. The numbers were 23, 24, 31, 33, 42 and 44. The extra number was 27. No ticket won the second prize. A $28 million snowball has been added to Tuesday's draw, meaning one winner could take home $43 million. Clarification The Leisure and Cultural Services Department would like to clarify details of the countdown carnival featuring a Brazilian performance mentioned on the front page of yesterday's City section. The event will be held at the Sha Tin Park, Sha Tin Town Hall Plaza and Podium, on New Year's Eve.