The ONR says scrutiny focused on measures against "theft and sabotage of nuclear materials".

The Low Level Waste Repository, near Drigg, Cumbria, is about the enter a new phase.

The ONR watchdog gives Sellafield until June to improve its health and safety processes.

It hopes the hub, at Moor Row near Sellafield, will help defend it against "evolving threats".

Information would be shared if there were incidents on the Cotentin Peninsula, officials say.

People living nearby may hear the emergency siren and the site is likely to be in lockdown.

"Quirky" buyer is sought for the nuclear bunker under a field, which has no running water or toilet.

The nuclear watchdog has found IT systems at the nuclear facility in Cumbria were vulnerable.