West Mercia Police have cordoned off the co-op car park in Hereford, as well as surrounding areas, this morning.
Several parts of Bobblestock are cordoned off, as well as Three Elms Road.
Officers and a scene guard remain at the scene this morning.
An incident is understood to have occurred overnight.
Your Herefordshire has approached West Mercia Police for further information.
Customers wishing to access Co Op should do so via Kempton Avenue.
More details soon.