Explosions could be seen over Lebanon's capital Beirut on Sunday as Israel intensified its bombardment of the south of the city and northern Gaza in its widening war on Iran-allied militant groups across the region.

Israel is still battling Hamas in Gaza nearly a year after its Oct. 7 attack and has opened a new front against Hezbollah in Lebanon, which has been trading fire with Israel along the border since the war in Gaza began.

Israel has also vowed to strike Iran itself after it launched a ballistic missile attack on the country last week.