last october, the well known maltese journalist daphne caruana galizia was killed by a bomb planted inorked as an investigative reporter — holding the rich and powerful in malta to account. now her familiy is formally requesting that the government properly investigates her death. along with human rights groups, they accuse the government of failing to solve the murder. our chief international correspondent lyse doucet has been speaking to the journalist's son. for 30 years, she was a thorn in the side of malta's rich and powerful. facing dozens of libel suits and almost daily threats. then, a bomb in her car killed her outside her home. there have been arrests and a criminal investigation. and accusations as well that authorities are not asking a crucial question. could her life have been saved? in london, herfamily‘s lawyers are submitting this document, accusing malta of failing to conduct an independent investigation. my mother, especially in the last five years, was reporting on serious corruption at the highest levels of maltese government. we ended up in this difficult situation

this is daphne caruana galizia. she was a prominent maltese journalist. corruption. but last october, daphne was killed by a bomb in her car. daphne's family believe hitmen were paid to kill her. the police investigation is still ongoing and there have been arrests, but daphne's family are demanding the maltese government open a public investigation into whether her live could have been saved, because she was no stranger to death threats. —— her life. today in london, daphne's family filed a 24—page report, formally requesting that investigation. daphne's family, along with human rights groups, accuse the maltese government of failing to solve the murder or investigate it properly. one of her sons, andrew, tweeted "the causes must be ascertained, the story must be told, and lessons must be learned." malta has responded, saying it "takes such issues seriously, and will take time to consider the opinion properly and act accordingly." lyse doucet, our chief international correspondent, has been speaking to another of the journalist's sons, paul. my my mother

lawyers in london representing the family of the murdered maltese journalist daphne caruana galizia areernment of malta today. it calls for a public inquiry into her assassination in a car bombing last october. regular physical activity three to five times a week is the optimal amount for improving mental well—being, according to research published in the medical journal the lancet. more than a million people took part in a study in the united states which found that all types of activity, including housework and mowing the lawn, were found to be positive but overdoing things was counter—productive. 0ur health reporter laura foster has more. it's long been known that exercise keeps the body healthy, and now we're really beginning to learn more about the effect it has on the mind. switch! new research, which surveyed more than a million people, found that those who exercised said they suffered from poor mental health less often than those who didn't. it's one of the reasons people come to this running club in didsbury. go, go, go, go, go! i feel really good coming away from it. so no mat