The A1(M) was shut last night for more than two hours due to a concern for welfare incident.

The Bedfordshire, Cambridgeshire and Hertfordshire Road Police Unit tweeted at 11.23pm last night to say the motorway had been shut in both directions between Junction 9 for Letchworth Gate and Junction 10 for Baldock Services.

Motorists were advised to use the A505 as a diversion route, with trapped traffic already on the section of the A1(M) turned round so they could get to the previous junction.

The road had reopened by 1.45am this morning.

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