KIEV, Aug 22 (Reuters) - Ukrainian authorities said on Friday that 90 trucks from a Russian aid convoy had crossed into Ukraine without permission and Ukraine's state security chief said this amounted to a "direct invasion" by Russia.
"They passed into Ukraine without clearance or participation of the International Red Cross or (Ukrainian) border guards," military spokesman Andriy Lysenko told journalists.
"We consider this a direct invasion by Russia of Ukraine," Ukrainian state security chief Valentyn Nalivaychenko said in a separate statement to journalists.
(Writing by Richard Balmforth; Editing by Alison Williams)
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