BBC Verify uses open-source intelligence, satellite imagery, fact-checking and data analysis to help report complex stories Using new satellite imagery to locate strikes and assess damage across Iran and Israel as the conflict between the two countries enters its fourth day Hello and good morning from the live page team here at BBC Verify.

Emergency services reported at least three people were killed and dozens more wounded in Israel as the fourth day of open warfare between the regional foes causes air raid sirens to be triggered

The military exchanges worsened between Israel and Iran overnight on Monday as strikes hit residential areas, killing and wounding civilians on both sides.

At least 24 people have been killed in Israel as Iran launched retaliatory airstrikes targeting civilian areas. A U.S. Embassy branch in Tel Aviv suffered minor damage.

Israel's Navy said it used for the first time the Barak Magen aerial-defense system on board a Sa’ar 6 missile ship during real combat, marking a step up in its capabilities to defend Israel's seas and coastland.

Israel’s military says the latest missiles from Iran are incoming, and explosions are heard overhead in parts of Israel, including Tel Aviv. Iran state television has announced the latest missiles.