As the summit entered its second day on Monday, The Israeli military reported fresh missile launches from Iran, prompting further air defense operations.

By Alexander Cornwell, Parisa Hafezi and Jeff Mason TEL AVIV/DUBAI/WASHINGTON (Reuters) -Israel and Iran kept up their attacks, killing and wounding civilians and raising concern among world leaders meeting in Canada this week that the biggest battle between the two old enemies could lead to a broader regional conflict.

Neither country is showing signs of backing down as the conflict between the regional foes raged for a third day.

"The full strength and might of the U.S. Armed Forces will come down on you at levels never seen before," Trump warned.

Iran has hurled missiles into Israel, striking targets in cities like Tel Aviv. According to Iran, Israel’s attacks have killed hundreds of civilians, while Israel said Iranian strikes have killed more than a dozen. Iranian strikes have decimated blocks of Tel Aviv. The conflict is one of the most heated between the two countries in recent memory.

Israel and Iran have opened a new chapter in their long history of conflict. Israel launched a major attack with strikes early Friday that set off explosions in the Iranian capital of Tehran.

By JON GAMBRELL, MELANIE LIDMAN and JULIA FRANKEL DUBAI, United Arab Emirates (AP) — Iran launched retaliatory missile strikes on Israel into Saturday morning, killing at least three people

Israel's attack on Iran raises questions like whether the US will get involved, how Iran will respond, and if a wider conflict may be triggered.