Mohammed Sami al-Dahdouh was injured in Gaza protesting Trump's decision to recognise Jerusalem as Israeli capital.
Al-Kafarneh's killing brings the death toll of Palestinians killed by the Zionist occupation forces since Trump's announcement to 11 - seven killed in clashes, and four killed in airstrikes.
Also, the Israeli military said thousands of Palestinians participated in the protest demonstrations along the Gaza border and across the West Bank "hurling firebombs and rocks and rolling burning tires" at Israeli forces.
In a major rebuttal to the US, the UN General Assembly overwhelmingly passed a resolution on Thursday to reject the USA recent move on Jerusalem, demanding all member states comply with UN Security Council's resolutions regarding the status of Jerusalem. More than 500 Palestinian protesters have been arrested by Israeli security forces.More news: Bomb squad investigating after shooting incidents in Harrisburg
After occupying the city's eastern part in the 1967 War, Israel annexed the territory.
The Palestinians on Sunday slammed Israel's plan to build 300,000 new settlement units in East Jerusalem, while vowing to consider a comprehensive review of the peace process.
Haniyeh stressed that Jerusalem would remain the capital of Palestine.
Israeli Border Police push a Palestinian woman to the ground on the Via Dolorous during clashes in Jerusalem's Old City following Friday noon prayers at al-Aqsa Mosque.
Israel routinely describes the city, with its Jewish, Muslim and Christian holy places, as its "united and eternal" capital.