The Israeli air force has carried out airstrikes on what it said were Hezbollah targets in southern Lebanon after rockets were fired over the border, a significant flare-up in tensions after a ceasefire brought uneasy calm to the region.

Israel struck Lebanon on Saturday in retaliation for rockets targeting Israel, killing two, including a child, in the heaviest exchange of fire since the ceasefire with the Lebanese militant group Hezbollah.

Israel launched retaliatory strikes against Lebanon amid a shaky ceasefire with the Lebanese militant group Hezbollah brokered late last year, according to the Israel Defense Forces (IDF).  The