British politicians described Israel’s invasion of southern Lebanon on Tuesday as “self-defence” after the Israeli army announced it would begin a “limited” ground operation into the country, which it had spent the past one week heavily bombarding with hundreds of airstrikes. Late on Monday, the Israeli military announced it would begin the highly anticipated land invasion into southern Lebanon in an alleged bid to target Hezbollah, despite international calls, including from the British government, for a temporary ceasefire. Conservative MPs meeting at the annual party conference on Tuesday s…