The crew of the Danish-flagged Marianne Danica requested entry to the port on May 21. However, the Spanish Ministry of Foreign Affairs refused to allow a ship carrying weapons and ammunition for Israel, accused of genocide, to enter a Spanish port. It was found that the ship had 12 tons of missiles, 1.5 tons of explosives and 740 kilograms of other military materials.

US aid efforts to Gaza have failed: a temporary jetty for delivering humanitarian supplies was destroyed by strong waves, the Pentagon said. According to Pentagon deputy spokeswoman Sabrina Singh, it was caused by strong seas and North African winds.