NORTH KOREA CLAIMS IT SUCCESSFULLY TESTED ANOTHER NUCLEAR WEAPON:

The secretive communist state said its sixth nuclear test was a “perfect success”, hours after seismologists had detected an earth tremor.

Pyongyang said it had tested a hydrogen bomb – a device many times more powerful than an atomic bomb.

Analysts say the claims should be treated with caution, but its nuclear capability is clearly advancing.

Here are some options for dealing with Pyongyang. So stay tuned.