Biden meeting with national security team amid anticipated Iran attack on Israel

President Joe Biden and his national security advisers will meet Monday to discuss the escalating conflict in the Middle East.

Iran has vowed to retaliate against Israel for killing a senior Hezbollah commander in Lebanon and allegedly killing a top Hamas political leader in Iran.

Vice President and Democratic presidential contender Kamala Harris will attend the meeting, Fox News reported.

Secretary of Defense Lloyd Austin on Sunday spoke with his Israeli counterpart to reaffirm U.S. support for Israel as tensions grow in the Middle East.

The defense chiefs discussed U.S. force posture to protect U.S. forces, support Israeli defense, and deter Iranian aggression.

Prime Minister Benjamin Netanyahu, also on Sunday, told his cabinet Israel is already fighting a "multi-front war" with Iran and Iranian proxies.

Regional tensions spiked after Israel killed senior Hezbollah leader Hassan Nasrallah. Israel stands accused of killing top Hamas political leader Ismail Haniyeh but has not accepted responsibility.