U.S Democratic presidential candidate Senator John Kerry on Friday assured Israeli Prime Minister Ariel Sharon of his commitment to Israel’s security.

Kerry made the comments as Sharon phoned to congratulate him on his official nomination as the Democratic candidate in November’s presidential elections.

During their conversation, Kerry assured Sharon that he as well stand against Palestinian refugees’ right to return to Israeli territories.

Earlier Haaretz dail news paper reported that top Jewish Democratic party members complained that the Israeli government’s gives preference to U.S. President George Bush.

A senior aide to Kerry denied Thursday that Kerry was angered by the current Israeli government’s reported preference for Bush.

"We expect that now that Kerry is formally the candidate the relationship with Sharon will strengthen, including conversations and possible meetings in the future," James Rubin, the Kerry campaign’s senior advisor on foreign policy, told Haaretz.