BAGHDAD (AFP) - Gunmen armed with silenced weapons attacked a house in east Baghdad on Tuesday, killing a man, his wife and four children, a security official and a medic said. The attack took place in the Zayouna area, an interior ministry official said, adding that the motive for the crime was not known. Gunmen who were also armed with silenced weapons carried out a similar attack on November 28 in Tarmiyah, 45 kilometres (28 miles) north of Baghdad, killing seven members of the same family.