Fighting between the Shiite militia Hezbollah and Israel is plunging tens of thousands of children and young people and their families into misery in southern Lebanon, aid workers say. Almost daily airstrikes from Israel are destroying the livelihoods of the people, many of whom were already living in precarious conditions, said the UN’s aid organization for children, UNICEF, on Tuesday. Child labour is on the rise, with some families sending children as young as 4 to work in the fields to earn a living, said Ettie Higgins, deputy head of the UNICEF office in Lebanon. Doctors have told her abo…