Colombo - Police in Sri Lanka yesterday took into custody the parents of the woman believed to have been the suicide bomber who on Wednesday killed 13 people and injured 24 in the capital, Colombo, David Orr reports. State radio said the suicide bomber's parents and sister had been detained by a special police team in the east of the island. Some 150 members of the minority Tamil community are also said to have been detained in raids across Colombo. Tamil Tiger separatists are believed to have been behind the suicide bomb attack which took place near the office of the Prime Minister, Ms Sirimavo Bandaranaike. She was not in her office at the time of the attack, the third against the country's political elite in three weeks.