Police launched raids on Kowloon entertainment venues for the second straight night after a show of defiance by alleged triad members on Saturday night. Yesterday's raids, dubbed Operation Levington, were on the 348 Disco and Karaoke and eight other venues in Yau Ma Tei and Tsim Sha Tsui. More raids were planned for last night. It was at the 348 disco in Nathan Road that about 50 alleged triad members challenged officers' authority when a team from the police tactical unit conducted a routine inspection on Saturday. Staff allegedly helped patrons leave through a back door when police arrived. Detectives from the Kowloon West headquarters, Yau Tsim District and the police tactical unit took part in yesterday's operation, which began at midnight and finished at 6.15am. They arrested six men near the 348 disco for allegedly assaulting police officers, claiming to be triad members and obstructing police in the execution of their duties. They also arrested three women for alleged drug possession, carrying identity cards belonging to others and failing to produce an identity card. A pack thought to contain the party drug ketamine was also seized. All of the 10 arrested, aged between 17 and 30, were detained for further questioning. Six people arrested in Saturday night's raids have been released on $3,000 bail each and ordered to report to police in two weeks.