The Muslim World League (MWL) has strongly condemned Israel's decision to prevent dozens of international humanitarian organisations from operating in the Gaza Strip.
In a statement issued on Wednesday, the league's Secretary General, Dr Mohammed bin Abdulkarim Al Issa, described the move as a shameful act and a flagrant violation of international and humanitarian laws and norms.
He said the decision would further worsen what he described as the already devastating humanitarian situation in Gaza.
Dr Al Issa called on the international community to assume its responsibilities by enforcing respect for international humanitarian law, lifting what he described as arbitrary restrictions on humanitarian work, and allowing the immediate, full and adequate delivery of aid to Gaza's population.
He also urged guarantees for the protection of civilians and humanitarian workers operating in the territory.
Israel has announced the suspension of 37 organisations working in Gaza, including Medecins Sans Frontières (Doctors Without Borders), the Norwegian Refugee Council, the International Rescue Committee, and branches of Oxfam and Caritas.