The family of an off-duty police constable who died after he was attacked on his way home from a night out have released the following statement:
Our gorgeous son brought love and laughter into not only our lives, but he was an amazing brother, boyfriend, grandson and nephew.
"We cannot imagine how we can face each day knowing that he is gone from our lives."
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A weather warning is also in place for Scotland, which could see "treacherous" and blizzard-like conditions on Thursday.
The lorry lost several butane gas canisters as the driver rammed into cars in a dangerous escape attempt that was ended by police gunfire.
The Gambling Commission said: "Integrity in sport is not a joke and we have opened an investigation to establish exactly what happened."