Hamas has praised Iran's missile attack on Israel, saying it was a 'heroic' attempt to avenge the deaths of three men. Iran has confirmed it fired a barrage of missiles at Israel on Tuesday, saying it did so in 'self-defence' - while Israel has said Iran made a 'big mistake' by launching the attack. The group mentioned the deaths of three men it felt Iran's attack was seeking to avenge. Here we take a look at who those leaders are and why Israel may have targeted them.