Barnes, from Baydon near Swindon, was also driving erratically when she hit and killed teacher Diane Wright in September 2010. Her car was crushed and she died at the scene.
Barnes is at Swindon Crown Court for her sentencing, having eventually pleaded guilty to dangerous driving after going on the run in Holland for 18 months.
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Fire and Rescue Service says it received a 999 call to say there had been an explosion in a third floor flat within a mid terraced building.
It will be a dry night for most areas and stay mild for all. There will be clouds and some areas may experience mist or fog.
This evening will be dry and mild for all.