the world. nema, thank you so much, in brussels. so three suspects allegedly linked to the attacks on paris have been arrested. nic robertson joins me now with the latest on that. so what are you learning about these recent arrests and is it helping investigators lead to any other suspicious characters? reporter: fredricka, potentially, it could be very valuable for french investigators. this is a man who s believed to have been behind sort of scoping out, scouting out the targets for the attacks last friday. what we know, from turkish authorities, is that they ve arrested three men. one of them is ahmed dahmani, he s a belgian, 26 years old. the ring leader to this, an del hamd abboud was also belgian, of moroccan decent from molenbeek.