A SERIOUS counter terrorism incident has forced the closure of the M6 toll road in Staffordshire.

The road is currently blocked in both directions between juntion T4 at Weeford Island and junction T3 at Tamworth because of the police incident.

A diversion is currently in operation.

Sky News are reporting it is a counter terrorism incident.

It is understood a coach is being searched as part of the operation.

Police have said the incident is unrelated to the arrest of six people in London on terrorism charges earlier today.