Israel targets Hezbollah intel HQ in Lebanon, Iran says it will not back down

Israel targeted Hezbollah intelligence headquarters in Lebanon. The strike is part of ongoing Israel-Hezbollah conflict. Iran's leader, Ayatollah Ali Khamenei, vowed not to back down. Iran launched retaliation missiles. Israeli ground forces have entered Lebanon. Humanitarian impact is severe with many displaced and infrastructure damaged. Lebanese officials reported nearly 2,000 fatalities recently.