Israel and Iran exchange missile attacks for a third day; nuclear sites hit, death tolls rise, airspace shut, U.S. warns Tehran against retaliation.

Nineteen Israelis have been reported killed in Iranian attacks since Friday, while Iran’s health ministry says 224 have died in Israeli strikes.

Israel launched its offensive against Iran's nuclear and military infrastructure on Friday. Iran has retaliated to the Israeli airstrike by firing scores of ballistic missiles on Tel Aviv and Jerusalem.

U.S. stock futures are higher even as fighting between Israel and Iran spiked oil prices. Futures linked to the blue-chip Dow rose 0.36%, while broad S&P 500 futures added 0.42% and tech-heavy Nasdaq futures gained 0.

Nineteen Israelis have been reported killed in Iranian attacks since Friday, while Iran’s health ministry says 224 have died in Israeli strikes.