Gabungan Ketua Cawangan Umno (GKCM) today submitted a memorandum to the Saudi Arabia embassy in Kuala Lumpur, demanding answers over the RM2.6 billion "donation" Prime Minister Najib Abdul Razak had received.

The memorandum contained 10 questions which GKCM wanted Saudi Arabia to answer as Najib claimed the massive donation was from the country.

"We submitted a memorandum to a representative of the Saudi ambassador to Malaysia at about 12 noon today on the RM2.6 billion issue.