LABUAN, Nov 12 — Twelve Filipino nationals, including six children, were detained for suspected immigration offences during an enforcement operation on this duty-free island... Labuan Immigration Department director Mohd Redzuan Nawi said the operation, codenamed Op Sapu, was conducted from 11pm yesterday to 1.30am today, involving 15 officers who inspected 84 individuals at several locations, including a residential settlement.