Bosnian police on Wednesday launched an operation to root out radical Islamists, arresting several people, a week after a suspected "terrorist attack" in which a police officer was killed.

"The search is underway in 32 places in Republika Srpska (the Serb-run entity of Bosnia," interior ministry spokesman Milan Salamandija said.

Bosnia was on high alert Tuesday after a deadly suspected Islamist attack on a police station, as the authorities voiced fears of worse to come.

Shouting "Allahu Akbar", a gunman opened fire on a police station in the eastern town of Zvornik on Monday evening, killing one officer and wounding two others before being killed in a shootout.

Bosnian police arrested two people on Tuesday after a suspected Islamist gunman attacked a police station, killing one officer and wounding two others.

Shouting "Allahu Akbar" (God is greatest), the attacker opened fire Monday evening on the station in the eastern town of Zvornik before being killed in a shootout with police.

Turkey on Wednesday stopped Bosnian Serb leader Milorad Dodik's plane from flying over its territory, preventing him from attending a ceremony to mark the centenary of the Armenian genocide, his cabinet said.

"Although all authorizations for this flight had been initially obtained, Turkish authorities did not allow the flight over their territory," Dodik's cabinet said in a statement.

Police in Bosnia on Wednesday arrested a man on terrorism charges for allegedly meeting with Islamic State jihadists in Syria.

The suspect, named as Kenan Krso, was suspected of "several activities linked with terrorism," a spokesman for the public prosecutor's office told reporters.

Bosnian prosecutors on Friday charged four men suspected of planning to join the Islamic State group in Syria and organizing travel to that country.

The four, arrested in February, face charges of "illegal formation and joining foreign paramilitary and para-police groups," the national prosecutor's office said.

Bosnia's parliament on Tuesday voted in a long-awaited government which vowed to relaunch the process of EU integration, blocked for years by political disputes.

The new nine-member cabinet will be led by Denis Zvizdic, a 50-year-old trained architect and an official of the main Muslim party SDA. 

Serbian police on Wednesday detained seven people suspected of taking part in the execution of around 1,000 people at a warehouse during the 1995 Srebrenica massacre, in the first arrests by Serbian authorities over mass killings during the atrocity.

The seven, identified only by initials, were said to be members of a Bosnian Serb wartime police unit who carried out the killings near Srebrenica in eastern Bosnia on a single day in July 1995.

Four Bosnians and a Swede of Arab origin were arrested in Bosnia after being found with an explosive device to be used for "a terrorist act" in a Scandinavian country, police said Friday.

The operation, coded "Benelux," was carried out by Bosnian, Swedish and Dutch police, Bosnian police said in a statement.

Two days of blizzards and strong winds in Bosnia and Croatia caused havoc along the Adriatic coast, leaving thousands of homes without power, disrupting traffic and killing a motorist, officials said Friday.

The motorist died near Zepce in northern Bosnia after crashing into a pile of rubble and mud swept onto the road by a landslide, police said.