Tyler Jackman News Today

A young woman who stabbed her mother to death before being shot dead by police had repeatedly threatened to harm her in the weeks before the tragedy,

"People shouldn't be losing power anymore."

Officers believe the children are with their father Zion Jackman and their grandmother Una Dolan.

London police said they were searching for Tyler Jackman, 11, Zeah Jackman, seven, Marley Jackson, six and Zinayah Jackman, two (pictured).