Source : Source : ` ` Many cities and villages ... are completely under water '' At least 100 people dead in Bosnia and Herzegovina , CNN reported . It 's the worst flooding Bosnia , part of the Balkans Peninsula , has seen in at least 20 years . The Red Cross says surfacing landmines could endanger rescuers and residents .
NEW : Serbia : `` Many cities and villages ... are completely under water '' At least 13 people dead in Bosnia and Herzegovina , government says . It 's the worst flooding Serbia , part of the Balkans Peninsula , has seen in at least 120 years . The Red Cross says surfacing landmines could endanger rescuers and residents .