Ukraine war latest: Pentagon unveils $800 million aid package, approves cluster munition for Ukraine

Key developments on July 7: * Pentagon announces $800 million aid package * US approves cluster munitions for Ukraine * Zelensky arrives in Turkey * Russia excludes IAEA experts from Zaporizhzhia plant's reactor rooftops * NATO to agree on package 'to bring Ukraine closer,' says Stoltenberg * Czechia to send Ukraine more attack helicopters, ammunition