australia s prime minister leads tributes to one of the country s most influential aboriginal leaders, yunu pingu, who has died at the age of 7a. hello and welcome. the killing of the russian military blogger is being investigated as a high profile murder , authorities have said. the blogger vladlen tatarsky was a vocal supporter of russia s war in ukraine. he was killed in an explosion at a cafe in saint petersburg. it was not immediately clear who was responsible for the attack. in the last hour, russia has detained a woman named darya trepova in connection to the killing. our correspondent will vernon in moscow has more. i m just seeing a short statement that has coming from the russian investigative committee, which is russia s version of the fbi who have been investigating the blasts last night in st petersburg. a short statement saying that in connection with the explosion in the cafe in st petersburg, employees of the. i m just translating this, sorry. employees of t