Lebanon submitted a formal complaint yesterday to the UN Security Council and secretary-general António Guterres for Israel’s incursion into its territory and violating the Blue Line separating the two countries.

Anadolu Agency reported a statement by Lebanon’s permanent mission to the UN, relayed by the country’s official news agency, said the complaint condemns Israel’s “aggression against Lebanon’s sovereignty and the incursion of its forces within Lebanese borders” since the night of Oct 1.

Israel launched a ground operation in southern Lebanon, with officials stating it was to establish a security buffer zone...