A second day of explosions in lebanon, this time involving walkietalkies used by hezbollah. Lebanon s health ministry says at least 20 people were killed in tuesday s walkietalkie explosions. More than 400 others were wounded. Our senior international correspondent, orla guerin, reports from beirut. His polo coming to bury its deadin his polo coming to bury its dead in south beirut today. Casualties of a new chapter in middle east warfare. Killed not by airstrikes but by exploding pages. Apparently a message from mossad. Among the dead, an 11 year boy. But even the mourners were not safe. Suddenly, the sound of another blast. Chaos and panic filling the street and a rush to evacuate the wounded. The authorities say this time, walkietalkies exploded, not just in beirut. Here it a ceuphone just in beirut. Here it a cellphone shop in the southern city of sidon. Israel is being blamed for the past 24hour is of unprecedented attack. Well, one more ambulance there passing by, we have been se