Nato peacekeepers in Bosnia have raided the home of a retired colonel suspected of having close links to Ratko Mladic, who is wanted on charges of war crimes.
Troops entered the house of Petar Jesic in the town of Rogatica, 50km east of Sarajevo, at dawn on Thursday and searched it for several hours, Derek Chappell, a Nato spokesman said.
"We have very strong evidence that he has been and continues to be an active member of the support network of Ratko Mladic," Chappell said.
Jesic, who the spokesman said had "very close connections with many Bosnian Serb army leaders", was questioned along with his wife and mother-in-law.
The former colonel was in charge of a large Bosnian Serb military base in Han Pijesak, where Mladic's headquarters were located, in the early 1990s.
The International Criminal Tribunal for the former Yugoslavia (ICTY) has been seeking Mladic, the head of the Bosnian Serb army, since the end of Bosnia's 1992-1995 war.
He is one of two remaining fugitives still wanted by the ICTY along with Goran Hadzic a former Croatian Serb leader, who is believed to be hiding in neighboring Serbia.
Radovan Karadzic, a wartime Bosnian Serb political leader, was captured in Belgrade in July.
Mladic and Karadzic have been indicted for some of Europe's worst atrocities since World War II, notably the 1995 Srebrenica massacre of 8,000 Bosnian Muslims and the siege of Sarajevo that claimed more than 10,000 lives.
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NATO soldiers in Bosnia
Al-Jazeera