Israel and Iran have begun a new round of attacks, as the conflict between the two heavily armed rivals enters its fourth day.

Israel struck Iran’s state-run television station during a live broadcast, forcing a reporter to run off camera following an explosion, after Iran fired a new wave of missiles at Israel that killed at

When Israel launched its series of strikes against Iran last week, it also issued a number of dire warnings about the country’s nuclear program, suggesting Iran was fast approaching a point of no return in its quest to obtain nuclear weapons and that the strikes were necessary to preempt that outcome.

Years of simmering tensions between Israel and Iran have broken into direct conflict, as the two arch foes trade missile attacks on an unprecedented scale. Israel said on Friday it had launched “Operation Rising Lion” in response to intelligence it claimed showed that Iran was “approaching the point of no return ” in the development of a nuclear weapon.

Iran unleashed a missile barrage on Israeli cities Monday after Israeli strikes deep inside the Islamic republic, leaving streets in ruins and the death toll in Israel climbing by 11

Despite stunning early successes in Israel’s unprecedented strikes on Iran, a weekend of intensive bombardment and retaliation is raising questions about Israel’s exit strategy – how it can end this conflict with its ambitious goals achieved.

Parts of Iran's nuclear network seem invulnerable without ground troops. Can Israel overcome that hurdle while minimizing danger to its own population?