Key developments on June 16: 80 countries, 4 European institutions sign peace summit’s joint communiqueUS announces $1.5 billion in aid for Ukraine, including support for energy infrastructureAt least 70 drones used in attack on Russia’s Morozovsk airbase, Budanov confirmsRussia suffered 4,000 casualties in a month of fighting in Kharkiv offensive, Ukraine saysZelensky: Russia launches 3,500 missiles a month on civilian targets, infrastructureEighty countries, including Ukraine, and four European institutions signed the final joint communique of the Switzerland peace summit on June 16, accordi…