UPDATE: All lanes open and emergency barrier repairs completed on M61
One lane (lane 3) had been closed for emergency barrier repairs on the northbound carriageway from junction 6 (Horwich) to junction 8 (Chorley).
National Highways said the barriers had been damaged in a crash in the early hours of this morning.
It is not known whether anyone has been injured at this stage, but Lancashire Police have been approached for details.
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