JERUSALEM/WASHINGTON, June 14 -- Israel launched a wave of airstrikes across Iran on Friday, blasting its huge underground nuclear site, wiping out its entire top echelon of military commanders and killing nuclear scientists in the biggest ever direct attack between the foes. Iran said "the gates of hell will open" in retaliation, while Israel said the strikes were only the start of its campaign. US President Donald Trump said it was not too late for Iran to halt the Israeli attacks by reaching a deal to curb its nuclear programme. As evening fell, Iranian media reported more explosions in what appeared to be a second wave of Israeli strikes. Iran responded, with local media reporting explosions in Tel Aviv and Jerusalem. "Moments ago, Isra...