raced to the house on Peel Road, Thortonhall, around 1am on Wednesday May 19 after three vehicles at the property were set alight.
A garage was also extensively damaged after catching fire with the family, including Lawwell's daughter and baby granddaughter, were forced to flee.
Officers are now urgently trying to trace a light coloured, or silver, hatchback, possibly a Mercedes A Class or similar model, and a white Fiat 500.
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