The Portbury Hundred (A369) near the M5 J19 has reopened following an IPCC investigation into yesterday's fatal incident.
Avon and Somerset Police has thanked people affected by the closure for their patience.
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The inquest into the driver fatally shot by police, after reports of him waving a gun on the M5, opened today.
Spencer Ashworth whose last known address was in Portishead was shot by firearms officers on the A369 Portbury Hundred on Wednesday morning.
Police say a man died this morning in an incident involving police firearms on The A369. The incident is under investigation by the IPCC.