Israel has sent 1.5 million tons of medical and humanitarian aid to Serbia. The first shipment of emergency aid included medicine, food, blankets and rain gear. Israel is due to send more aid, including water pumps. The second link includes both aid to Serbia and to other disaster areas.
http://www.jpost.com/International/Israel-extends-arm-to-flood-ravaged-Serbia-and-Bosnia-352613
http://www.americanthinker.com/2014/05/israels_global_reach_to_nations_in_crisis.html