A truck carrying fireworks exploded on a highway bridge, leaving a lorry perched precariously at the broken edge.
At least four people have been killed, according to the Xinhua news agency.
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Baroness Warsi had previously warned the 'divisive and xenophobic' EU referendum had spurred a surge in racist abuse.
Scattered showers in the north-west, elsewhere mostly dry and bright.
As Labour's turmoil continues and the Tories deal with the fallout of Brexit, the Lib Dems think they have something to offer voters.