Pretoria - Voting was disrupted at stations in Northern Cape and KwaZulu-Natal on Wednesday after two voters died. The IEC in KwaZulu-Natal confirmed that a woman died at a voting station in Bulwer earlier in the day.It is understood that the woman collapsed while waiting in line. Further details were not immediately available. In Strydenberg, Northern Cape, a voter died of "natural causes". "We understrand that this may have been a death of natural causes, but our staff are not medically trained," IEC chief electoral officer Mosotho Moepya told reporters at the national results centre. Police were on the scene dealing with the incident. The ANC offered its condolences to the families of two voters."We also send our greatest sympathies to the family of an ANC party volunteer who passed away at a voting station in Struisbaai in the Western Cape," it said in a statement. "These sad incidents have marred an otherwise peaceful and incident-free polling day and we wish their families strength during this sorrowful time. The ANC is saddened at the deaths of patriotic South Africans who had turned out to exercise their civic duty by voting in municipal elections today."