Will Fallon tell the truth on Trident test failure?

Sir Michael Fallon, the defence secretary and Conservative MP for Sevenoaks and Swanley, has been widely criticised by opposition MPs today for refusing to discuss a Trident missile test that went wrong last summer on the grounds of secrecy even though it has emerged that an American defence official has briefed CNN about the incident.

Several MPs have complained strongly about CNN being told more than the House of Commons.

So will Fallon come clean on the Trident test failure?

We await further developments.