Police say they need more people to come forward with information after four vehicles including an ice cream van were set on fire.
The vehicles were all destroyed in the fires which happened on four separate nights in the past week in Annan.
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Showers turning heavy with a risk of thunder. Dry and bright start on Sunday, cloudy and wet from the west later
Scotland's First Minister said her government will seek 'immediate discussions' with Brussels to "protect Scotland's place in the EU".