Yesterday, May 20, a regular Ramstein meeting of Ukraine’s allies took place. Iranian President Ebrahim Raisi died in a helicopter crash. RBC-Ukraine has collected the main news for May 20. Air defense, Leopard tanks, and more: Outcomes of Ramstein meeting Ukraine’s Western allies held another meeting in the Ramstein format. The partners made a number of statements and announced the delivery of military aid. Find more details in the RBC-Ukraine report. Iran’s President and Foreign Minister killed in helicopter crash Iranian President Ebrahim Raisi was killed in a helicopter crash on the border…