do stay with us if you can't in the hours ahead. you're watching bbc news. as he went out for a row one morning on the river thames in london, graphic designer, simon hunt came across a rather unexpected find. lying on the pebbles and rocks of the riverbed at low tide, he discovered a human bone. when the police carbon—dated it, it turned out to be more than 5,000 years old. earlier, i spoke to simon hunt, who is also a bbc colleague. he started by showing me the bone. here we are. wow, it's a very darkened colour. when you found it, what were your immediate thoughts? well, ijust put the boat in the water, it is quite low tide and the water is very clear. i could see this object on the river, probably about a foot underneath the water, and my initial thought was,