DUBAI, June 21: Western officials warned Tehran on Sunday that negotiations to revive its nuclear deal could not continue indefinitely, after the sides announced a break following the election of a new hardline president in Iran.

SEOUL, Oct 3: North Korea said on Thursday it had successfully test-fired a new submarine-launched ballistic missile (SLBM) from the sea to contain external threats and bolster self-defence, ahead of fresh nuclear talks with the United States.