Upturned vehicle on fire causing tailbacks on A1M in North Yorkshire

A vehicle has overturned and caught fire on a major road in North Yorkshire this morning (Tuesday, 30 January).
One lane of the A1M is closed due to the fire, slowing traffic to a crawl.
The lane is shut southbound from junction 45 A659 Wattlesyke (Boston Spa) to junction 44 A64 (York / Tadcaster).