We're told it was started deliberately.
LISTEN: Scots Pupils 'Terrified' After Bus Attack
A coach bringing Scottish school children home to Skye from a ski trip abroad was caught up in an incident between police and migrants near Calais.
The 35 pupils from Portree High School and seven adults were travelling through France as they made their way back from Italy in the early hours of Sunday.
An outer window of double glazing on the coach was broken in the incident, Highland Council said.
It was reported to police and border control officials at Calais and the coach was deemed safe to continue its journey.
Passengers on the coach were asleep at the time and they have all since returned home safely.
Heart's Connor Gillies spoke to Cllr Drew Millar:
Bill Alexander, Highland Council's director of care and learning, said: "We were alerted to the incident yesterday and parents were informed.
"This was an unfortunate episode to the end of what was otherwise a very successful school ski trip.''
Catherine MacDonald, Portree High School head teacher, added: "Everyone has returned home safe and sound from what was a fantastic ski trip with snowsports certificates under their belts.
"No-one was injured as a result of the incident at Calais, which was efficiently dealt with by our coach operator.''
William Burns posed as a postman.
Police and other emergency services were called to a property in Redburn, Bonhill, Alexandria, at about 12.30am on Tuesday.
Charities say the stage it's diagnosed is crucial.
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