"This is not an isolated incident, but a worrying trend of systematic exploitation of UN bodies by Hamas terrorists," Danon said, as quoted by the Jerusalem Post newspaper.
Earlier in the day, Borsh was formally charged with assisting Hamas.
On August 4, Shin Bet said that Hamas infiltrated in the Christian relief organization World Vision providing aid to the strip and has funneled some 60 percent of aid group's budget to Hamas's military wing. While on August 1, Save the Children organization said that it would begin investigation following similar accusations made by Israel.
The UNDP has operated in the Gaza Strip since the late 1970s focusing on rebuilding homes destroyed by the conflict.
Hamas, an Islamist political and militant group, seeks the creation of an independent state of Palestine and wants Israel to withdraw from the Palestinian territories it occupied after the 1967 war.
