we understand that the blast was centred around the hippodrome. it's adjacent to the blue mosque. it's 200 metres, perhaps, of another mosque and another kilometer and half from the grand bizarre. we're hearing the casualties, some injured. unconfirmed reports of deaths. the blast was so powerful it was heard from neighborhoods adjacent to the area. people would have been in the area enjoying the sites, which is one of three popular sites of the city >>> the proceeding speaker said that he had heard there were ten people dead and there was one witness was quoted as saying they had seen what looked like a suicide bomber. reuters is saying eight people have been killed. turkey television is saying eight people have been killed as well. as is always the way with these things, that death toll very proppedly will climb. >> reporter: it could climb. i am now about a kilometer away and i can see a lot of heavy police presence. i cannot talk about the number of deaths. authorities have not made an announcement >>> how close are you to the scene and just explain to me, paint a picture for