Regional and international far-right groups see the region and Bosnia and Herzegovina as a possible breeding ground for white supremacist ideologies.
Momcilo Krajisnik, a Bosnian Serb former wartime official, was taken to a hospital last month after developing pneumonia.
Lovren grew up in Germany, having fled the Bosnian War.
Some 120,000 landmines remain in Bosnia following a three-year civil war.
No one who witnessed the war in Bosnia came out of it unaffected.
Radovan Karadzic was found guilty of 10 of 11 counts of war crimes and sentenced to 40 years imprisonment.
A photojournalist reflects on Bosnia 20 years after the end of the Bosnian War.
The move threatened the integrity of the country, 20 years after it emerged from war.
One of Europe's 'children of hate', Alen Muhic searches for his Bosnian mother and the Serbian soldier who raped her.