ANKARA, Turkey (AP) Turkey and Israel announced trade barriers on each other Tuesday as relations deteriorated further amid the war in Gaza.

Turkey, a staunch critic of Israels military actions in the territory, announced that it was restricting exports of 54 types of products to Israel with immediate effect. They include aluminum, steel, construction products, jet fuel and chemical fertilizers. In response, Israel said it was preparing a ban on products from Turkey.

The announcements came a day after Turkish Foreign Minister Hakan Fidan said Israel had barred Turkish military cargo planes from joining an operation to airdrop humanitarian aid to Gaza and vowed to respond with a series of measures against Israel until it declares a cease-fire and allows aid to flow in without interruptions.

There is no excuse for Israel to block our attempt to deliver aid by air to starving people of Gaza, Fidan said.