New Delhi(CNN) An Indian man allegedly killed 14 family members, including eight children, with a knife before taking his own life Sunday, a police spokesman said.
Husnain Anwar Warekar, 35, put sedatives in his relatives' food before slashing their throats with a knife, according to Gajanan Kabdule, a police spokesman in the western Indian city of Thane.
The victims included Warekar's 28-year-old wife and two daughters who are between ages three months and 6.
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He also killed his 65-year-old father and 55-year-old mother; three of his sisters between ages 28 and 34; and six of the sisters' children.
One woman survived the attack and called for help, but by the time police arrived, Warekar had hanged himself, police said.
The incident happened in Thane on the outskirts of Mumbai, India's financial capital. The family had gathered for an event at Warekar's home Saturday, and were staying overnight.
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Kabdule said the motive for the killings is unknown, but an investigation is underway.