According to the United Nations refugee agency UNHCR, more than 19,200 Lebanese have arrived in Iraq since the escalation of hostilities in Lebanon.
A US official told Axios it was highly unlikely that Lebanon and the international community would agree to Israel's conditions.
Bangladeshis in Lebanon are passing their days in sheer uncertainty amid a military campaign by Israel.
Israel has been expanding its actions in Lebanon. On Saturday, it made its first strike in the northern city of Tripoli, a Lebanese security official said, and Israeli troops launched raids in the south.
Biden added that the Israelis "have not concluded how they're, what they're going to do" in retaliation for a huge ballistic missile attack by Iran on Israel on Tuesday.
Israel has turned its focus from Gaza to Lebanon in recent days, carrying out strikes on Hezbollah targets that killed the Iran-backed group's leader Hassan Nasrallah on Friday.
Israel widened its airstrikes in Lebanon on Wednesday and at least 72 people were killed, according to a Reuters compilation of Lebanese health ministry statements. The ministry earlier said at least 223 were wounded.
Israel's offensive since Monday morning has killed 569 people, including 50 children, and wounded 1,835 in Lebanon
In response, Hezbollah said it launched dozens of missiles at a military base in northern Israel.
Nasrallah and Hezbollah have thrived with an image of invincibility after confronting Israel in 2006.
The blasts came a day after the simultaneous detonation of pagers used by Hezbollah killed 12 people, including two children, and wounded up to 2,800 others across Lebanon, in an unprecedented attack blamed on Israel.
In the second wave of device explosions in as many days, 20 people died and more than 450 were wounded on Wednesday in Hezbollah strongholds in Lebanon, officials said.
Bangladesh coach Javier Cabrera has found one positive in the team's 4-0 defeat against Lebanon in Qatar on Tuesday in what was the last World Cup Qualifier fixture for the Men in Red and Green.
In a Beirut car park, migrant workers cheer as their teams face off in a cricket tournament, a moment of respite in crisis-hit Lebanon, where working conditions are often tough.
After being outplayed by Palestine in the away match of the World Cup Qualifiers, Bangladesh are seeking motivation for Tuesday’s home match against the same opposition on home ground and in front of home crowd.
Forward Rakib Hossain and defender Saad Uddin will not be eligible to play when Bangladesh host Lebanon in their second World Cup qualifying fixture at the Bashundhara Kings Arena on November 21.
India re-evaluated themselves against skilled Asian teams, having repelled Lebanon in similar fashion in the semi-finals, but what will the rest of the South Asian participating nations take away from the tournament? From here on, how do they gauge their standards relative to India’s ever-accelerating progress?
Bangladesh made two changes to the playing eleven against Maldives, bringing on Rakib Hossain and Mohammad Ridoy in place of Suman Reza and Mojibur Rahman Jony.
Javier Cabrera believes the heartbreaking defeat against Lebanon will only make his side stronger.