NATO has detained a former Bosnian Serb policeman suspected of helping war crimes suspects.

NATO said Friday it suspects Dusan Tesic had valuable information about a network officials say has aided indicted war criminals. But it did not say whom he is suspected of helping.

NATO Detains Bosnian Serb Suspected of Helping Indicted War Criminals

It was the second time this year NATO has held Mr. Tesic for questioning.

NATO Detains Bosnian Serb Suspected of Helping Indicted War Criminals

Thursday, the head of European Union peacekeepers in Bosnia said he was closing a bunker believed to have sheltered General Ratko Mladic, the former Bosnian Serb commander.

NATO Detains Bosnian Serb Suspected of Helping Indicted War Criminals

Meanwhile, the French news agency says Serbia has decided to give the guarantees needed for the release of two war crimes suspects until their trial. Serb ultra-nationalist Vojislav Seselj and General Dragomir Milosevic have been held in The Hague.