caroline hawley, - this carnage at sea. thank you for| joining us. caroline hawley, there.s to hide what we do, even from our children.�* these the words of a serving police officer in northern ireland, where there's anger and dismay that details, including names, ranks and places of work were accidentally published online, for thousands of staff in the police service. more than 300 officers were murdered in northern ireland during the 30 years of violence known as the troubles, and the fear is that republican paramilitaries might use the information to plot new attacks. the police service of northern ireland has apologised, and blamed "human error" for the leak. and tonight, a second data breach involving the theft of a laptop and documents has now emerged. chris page has more. in this part of the uk, the risks which police face are particularly stark. members of the police service of northern ireland take far—reaching measures to protect their identities. but yesterday, information appeared online about all 10,000 staff, both officers and civilians. they haven't told thei

i'm joined now by our diplomatic correspondent, caroline hawley. do we know about what happened? well what we know is from those four survivors that there were 45 migrants and they were heading from sfax to italy. they left last thursday. a few hours into their journey the boat was hit by a wave and capsized. most on board didn't have life jackets. you can see how small and crowded the boat is. so the survivors were picked up. two men, one woman, unaccompanied 13—year—old. they apparently survived by holding on to life jackets and the inner tubes of tires. had they not survived, we wouldn't have known about this, because the un said some boats just sink without trace. the reason we know is because of the survivors and one un official said it was carnage at sea. , , one un official said it was carnage atsea. , ,, , one un official said it was carnage atsea. , , _, one un official said it was carnage at sea. , , , ., ., at sea. this is sadly a regular occurrence — at sea. this is sadly a regular occurrence now, _ at sea. this is sadly a regular occur