An air strike killed at least three people in the Sidon suburb of Haret Saida on Sunday, the health ministry said, as more bombs hit the country's east.

"The Israeli enemy's raid on Haret Saida resulted in an initial death toll of three people killed and nine others injured," the ministry said, referring to a densely populated area near Sidon.

Hezbollah said it fired rockets at the northern Israeli city of Safad on Monday, the latest attack in more than a month of war.

Hezbollah fighters launched a "big rocket salvo" at the city, the group said in a statement.

The Israeli military said on Monday it had killed a top Hezbollah commander it accused of overseeing rocket and anti-tank missile attacks against Israeli forces in southern Lebanon.

Israeli Prime Minister Benjamin Netanyahu on Sunday vowed during a visit to the Lebanon border to respond "firmly" to Hezbollah's attacks and to prevent the group from rearming, his office said.

The Israeli military on Sunday called for the evacuation of the Baalbek area in eastern Lebanon, warning that it was ready to strike Hezbollah targets there and in nearby Douris.

In the Christian town of Deir al-Ahmar, Hassan Noun has pitched his tent in a church courtyard after fleeing Israeli air strikes in the eastern Lebanese region of Baalbek.

U.N. refugee chief Filippo Grandi said an Israeli air strike hit "humanitarian structures" Saturday at a border crossing between Lebanon and Syria that was previously hit last month.

Israeli naval commandos have seized a trainee mariner an Israeli military official described as a "senior operative" of Hezbollah in a raid in Lebanon and brought him to Israel for questioning.

A Bangladeshi worker died in a air strike in Lebanon, Dhaka's foreign ministry said Sunday, as the Israeli bombardment hampered efforts to repatriate citizens.

The foreign ministry estimates that between 70,000 and 100,000 of its nationals are working in Lebanon, many as laborers or domestic workers.

Lebanon's health ministry said one person was killed and 15 people were wounded Saturday in an Israeli strike on the Galerie Semaan area on the outskirts of Beirut's southern suburbs.