Departing Celtic chief executive Peter Lawwell and his family have been left "shaken" following a fire and explosion at their home, which police are treating as a deliberate act after man spotted on CCTV.
Firefighters were called to the fire, forcing Mr Lawwell and his family to evacuate their home.
Celtic have said that the family have been left "extremely shaken and shocked" by the incident, which has caused "significant damage" to the property, but they are all safe and were uninjured.
A joint investigation by Police Scotland and the Scottish Fire and Rescue Service has found three vehicles were deliberately set alight, which also resulted in extensive damage to the garage.
Detectives are now treating the fire as deliberate after CCTV showed a man pouring an accelerant on the vehicles.
A silver or grey hatchback car was also seen near the house at the time of the fire.
Detective Inspector Susie Cairns said: "This was a completely reckless act which destroyed three cars and caused significant damage to the property's garage.
"The consequences could have been so much worse but thankfully nobody was injured during this incident.
A Celtic spokesman said: "We can confirm that significant damage has been caused to Peter Lawwell's house and vehicles there, following an explosion and fire early this morning, forcing the family to leave the property.
"Clearly, Peter's family are extremely shaken and shocked by these terrible events, but thankfully all are safe
"We understand that Police Scotland are currently undertaking a criminal investigation.
"Peter and his family will of course receive the full support and care of everyone at the club."
Author: Jake Wilkin