1. North Korea is believed to have been working on nuclear weapons only since the 1990s.

2. He also played a key role when India tested its nuclear weapons in 1998.

3. In France, drones were found close to nuclear power stations in 2014.

4. Iran backed out of key nuclear talks in 2009.

5. Those nuclear talks are scheduled to resume June 16.

6. Pyongyang also detonated two nuclear devices in 2016.

7. The Japanese public turned against nuclear power after the meltdowns at the Fukushima plant in 2011.

8. It would be like being called to go to a nuclear blast.

9. They saw the nuclear deal as giving too much away in exchange for too little.