See locations of air strikes, battles

This story has been updated to add new information.

Nearly 500 people were killed and over 1,600 injured in Israeli airstrikes in Lebanon, with the country's Health Ministry calling the day the deadliest since the civil war began in 1990. These casualty figures, announced by the Lebanese Health Ministry, are in addition to the 37 dead and thousands injured last week when pagers and walkie-talkies exploded across the country in what is widely believed to be an Israeli operation targeting Hezbollah members.

Since the October 7 Hamas attack in Israel and the subsequent exchange of blows between Israel and Hezbollah, tens of thousands of people have been displaced from their homes on both sides of the Israeli-Lebanese border.

Here is a closer look at recent hostilities in the region:

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The Pentagon announced Monday that it is sending an unspecified number of additional troops to the Middle East amid escalating tensions between Israel and Hezbollah. These troops will join roughly 40,000 U.S. troops in the region.

Where in Lebanon did the recent Israeli air strikes hit?

On Monday, Israel hit Lebanon with a major series of airstrikes from their shared southern border to the northern border with Syria. Israeli planes hit towns near the eastern Bekaa Valley and northern Hermel, according to a Hezbollah-affiliated television channel. Social media users shared a video of thick plumes of smoke rising above buildings.

The Lebanese health minister said in a press conference that the death toll had quickly risen to over 270, including 21 children and 31 women. A total of 1,024 people were injured. Israel's military claims it has attacked more than 300 Hezbollah targets.

More:Top Hezbollah commander among those killed in Israeli attack on Lebanon | The Excerpt

Where are the Hezbollah fighters start their attack on Israel?

Hezbollah launched its latest rocket attacks on Israel on September 21 and 22. The attacks are in line with a recent statement by Hassan Nasrallah, Hezbollah's secretary general, that the group will continue its cross-border attacks in support of Hamas in the Gaza Strip, according to the Guardian.