Two diversions have been put in place.
A CRASH has taken place outside the emergency service's communications centre.
Diversions have been set up on St Asaph Business Park as emergency services attend the scene of the crash on Fford William Morgan, where North Wales Police and North Wales Fire and Rescue Service's Joint Communication Centre is based.
A spokesperson for North Wales Police said: "There has been a collision on Ffordd William Morgan St Asaph Business Park outside the Joint Communication Centre.
"Emergency services are on the scene.
"A diversion will be in place within the industrial estate and from Junction 26 from the A55."
Anyone with information related to the incident as asked to contact the police on 101 using reference W180146.
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