Dozens of Palestinain youths rallied Sunday in front of the UN and Red Cross offices in Gaza City, calling for international pressure on Israel as Palestinian prisoners continue their hunger strike.

About 1,600 Palestinians in Israeli jails have stopped eating in a fight for improved conditions.

Most detainees involved joined the strike three weeks ago on April 17, but two of them, Bilal Diab, 27, and Thaer Halahleh, 33, have been striking for 74 days.

Israel officials are in talks with Palestinian and Egyptian mediators to end the hunger strike. An Israeli official confirmed talks were taking place but would not offer more detail.

Ayman al-Shahabi, spokesperson for the Red Cross in the Gaza Strip, told Reuters his organization is worried about the prisoners who are refusing to eat.

"We are trying hard to follow up on their health status, and tell the responsible authorities to fulfil their responsibilities and provide the needed health care to those who are on hunger strike," he told the news agency."