** Shares of silver miners rise premarket, tracking gains in the white metal's prices GOL/

** Spot silver XAG= rises 5.02% to $89.39 per ounce

** Prices increase on higher demand, supported by renewed U.S.–Iran tensions that lifted safe-haven buying

** Hecla Mining HL.N up 4.3%; Coeur Mining CDE.N up 3.6%

** Canadian miners Endeavour Silver EDR.TO, EXK.N up 3.5%; Silvercorp Metals SVM.TO, SVM.N up ~3%

** Abrdn Physical Silver Shares ETF SIVR.P and iShares Silver Trust ETF SLV.P both up 5.6%

(Reporting by Dharna Bafna in Bengaluru)

((dharna.bafna@thomsonreuters.com))