黎巴嫩首都发生大规模爆炸

Lebanon, a nation for decades crippled by chaos and conflict, is in mourning after a massive explosion ripped through Beirut's port on Tuesday killing more than 70 people and injuring 4,000. The full scale of the calamity was laid bare when the capital woke on Wednesday with rescue teams searching through the debris of ruined neighbourhoods for the missing, and hospitals struggling to cope with t