A 27 year old man has been arrested and charged in connection with the find.
Police have mounted a large presence over the holiday weekend to stamp out illegal drinking.
Nobody was injured as a result of the fire however there is extensive damage to the building.
Police believe it was attacked sometime late on Tuesday evening this week (February 12).
The blue Volkswagen Polo car, which was fitted with a distinctive roof rack, was seen in the area of Kenny Reilly’s home in Maryhill Road.
Police say the attack caused considerable damage to the business, and could have spread to neighbouring properties.
Another man came to the woman’s aid and the suspect ran off with the bag.
Police seized the drugs during a raid on a flat close to Lansdowne Crescent.
One of the those pictured is described as being in his early 20s, of medium build with black hair. He was wearing black coloured clothing.
Joanna Taylor is making a desperate appeal to be reunited with the special token that means “the world” to her.