A woman's body was found in a compartment under the mattress of her bed in a Tai Po flat yesterday. Ng King-lin, 36, mother of a 10-year-old son and a daughter aged seven, was found by her construction-worker husband at 7.30 am. A towel and a rope were tied to her neck. Detectives found no sign of a break-in or trace of a struggle in the 21st-floor flat in Wan Hang House, Wan Tau Tong Estate. Husband Lun Wing-leung, 36, told police he last saw his wife at 8.30 am on Monday before he left for work and the children went to school. He searched his flat yesterday morning and when he lifted up the mattress, he found his wife's body. A postmortem examination will be conducted today.