The Shafia family murder trial wrapped up late Thursday in Kingston after a bomb threat delayed court proceedings earlier in the day.

In closing arguments, Crown attorney Laurie Lacelle said Mohammad Shafia, 58, his wife Tooba Yahya, 42, and their son Hamed, 21, were each responsible for planning and carrying out the murders of three Shafia sisters and Shafia's first wife from a polygamous marriage.

The evidence is "irrefutable," she said.

The bodies of Zainab, 19, Sahar, 17, Geeti, 13, and Rona Amir Mohammad, 52, were found June 30, 2009 in a car at the bottom of a canal in Kingston.

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