Ukraine war latest: US announces additional $6 billion in weapons for Ukraine
Key developments on April 26: * US to allocate additional $6 billion in military aid to Ukraine * Source: Ukraine destroys Russian Ka-32 helicopter at Moscow airfield * Ukraine retrieves bodies of 140 fallen soldiers * El Pais: Spain to send Patriot missiles to Ukraine * US envoy to OSCE: Russian 'double-tap' attacks have killed