The man held on suspicion of killing three people at a park in Reading was known to MI5, security sources say. Khairi Saadallah, 25, from the town, was arrested on Saturday and police say they are not looking for anyone else over the terror incident. Sources told the BBC he is originally from Libya and came to the attention of MI5 in 2019. One victim has been named as teacher James Furlong - described by his family as "a wonderful man". Paying tribute to Mr Furlong, 36, head of history, government and politics at The Holt School in Wokingham, his...