welcome to bbc news, broadcasting to viewers in the uk and around the world. it s eight in the morning here in singapore, and six in the evening in the province of saskatchewan where police investigating the stabbing of ten people on sunday have arrested a suspect. myles sanderson was one of two people wanted in connection with the attacks. the other, his brother, was found dead on monday. a motive for the attacks still isn t clear. i spoke to our north america correspondent, nomia iqbal, who is in melfort, saskatchewan for us. this manhunt for myles sanderson has now concluded, police can affirming that they have taken him into custody. this hunt stretched over three provinces and over the last few days our team has been here and we have seen for ourselves these piercing mobile phone alerts that you get every few minutes from the police saying that he has possibly been cited here, he s been cited there, he was seen in the city of red china which is around three hours from he
used tree roots to hammer out messages to each other over long distances. our science correspondent explains. then wild panting, hooting of a chimpanzee, followed by a burst of tree drumming. they use the large butcher s tree roots to drum out messages to one another, that carry up to distances of over one kilometre. researchers followed and recorded the chimpanzees in the forest reserve in uganda and found that each mall had his own signature drum style. the animals use their sound to announce their presence when now travelling through the dense rainforest. who have studied this group for many years so they are discovering a puzzle about these very social aches, that they greet each other to say hello but never say goodbye. other to say hello but never say goodbye- other to say hello but never sa aoodb e. ., , say goodbye. one of the things we realised