United States involvement in the Mexican Revolution with its diplomatic and economic rivals in Mexico, particularly Great Britain and Germany, meant that foreign powers affected the way the Mexican situation played out. When U.S. agents discovered that the German merchant ship, the "Ypiranga", was carrying arms to Huerta's regime, President Wilson ordered troops to the port of Veracruz to stop the ship from docking. The U.S. did not declare war on Mexico city but the U.S. troops carried out a skirmish against Huerta's forces in Veracruz. The "Ypiranga" managed to dock at another port, which infuriated Wilson. On April 9, 1914, Mexican officials in the port of
Timeline of the war in Donbass (April–June 2017) rocket launchers and 120 mm mortars to attack Ukrainian marines' redoubts near Pavlopil. Vodiane became the target of small arms, heavy machine guns and grenade launchers. Ukrainian marines at Shyrokyne were harassed by small arms fire from the rebel-held area of Sakhanka. In the surroundings of Donetsk city and Horlivka, Avdiivka came under small arms, heavy machine gun and 82 mm mortar fire. Novoselivka was shelled by 73 mm antitank recoillless guns, while the stronghold of Zaitseve was hit by rocket propelled grenades. In the northern section of the demarcation line, pro-Russian armoured fighting vehicles engaged Ukrainian strongholds around Stanytsia