The Histadrut (General Federation of Labor in Israel) today declared a labor dispute at Union Bank of Israel (TASE: UNON), following reports of merger negotiations by the bank's controlling shareholders with Mizrahi Tefahot Bank Ltd. (TASE:MZTF). The Histadrut and the Union Bank workers' committee are calling on Union Bank's management and shareholders to negotiate with them immediately and reach agreement about the consequences of a possible merger for the workers' rights before signing an agreement with Mizrahi Tefahot.