1973 police northern ireland have arrested for men believe to be linked the death of journalist laura mckee. she was shot and killed 3 years ago while covering a riot by dissident republicans who were opposed to the northern irish peace process. one man was already charged with the murder last year. the police said others were involved in the killing. environmentalists and scientists in rome are trying to save the cities famous pine trees from a devastating insect infestation since 2018. an invasive species more common in the pine forests of north america have been spreading across rome. i am rainy, went out with a team of experts trying to beat the bugs, a sick pine tree and roam, gets the equivalent of a shot to curate hills. thank you for calling deana. that'll be what i mean. the misery, we cut the whole 4 millimeters in diameter and then inject the tree with a pesticide. we then pump the solution in by hand. that way we can monitor the pressure to make sure we don't overwhelm the tree while making sure the treatment gets distributed throughout the plant attributed whatever their target

laura, thank you so much for talking to us, we really appreciate that and i wish you and your little one well, take care. detectives investigating the death of the journalist lyra mckee ms mckee, who was 29, was shot as she watched riots in derry�*s creggan area in april 2019. relatives of four men who died in a mining disaster in the swansea valley ten years ago are calling for a full inquest into their deaths. they were killed when water flooded the gleision drift mine in september 2011. the mine's manager and owners were cleared of manslaughter charges three years later. the two surviving miners say the tragedy had been swept under the carpet. the health and safety executive said it would be inappropriate to comment on details of the investigation. south korea has succussfully tested a ballistic missile from a submarine which is designed to help counter any attack from its neighbour north korea. the planned launch comes just hours after pyongyang fired two ballistic devices towards the sea of japan. joining me now from seoul is our correspondent laura bicker. so, laura, a planned launch by south korea, as we mentioned, but the timing of this planned launch, rather