As Israel pounds Iran with airstrikes targeting military facilities and its nuclear sites, officials in Tehran have proposed a variety of steps the Islamic Republic could take outside of launching retaliatory missile barrages.

Countries trade strikes as tensions grow over larger Middle East conflict - Iranian missiles struck an apartment building in the Galilee region, killing four people, as the countries exchanged fire

Explosions reported in capital Tehran as Israeli Defence Minister announces "pre-emptive strike" and announces state of emergency