The M6 toll motorway has been shut near Birmingham following a "police-led" incident. The road was closed off by police between junctions three and four near Lichfield in both directions. (Click here for Google Map view)).
There are unconfirmed reports that this is a counter-terrorism operation.
It is understood the incident involved a coach which pulled over on to the hard shoulder of the motorway of its own volition.
Reports have suggested armed officers are involved. Staffordshire Police said they were called at 8.20am.