By Natalia Zinets KYIV (Reuters) -Ukraine acknowledged on Friday it was taking heavy losses in Russia’s assault in the east, but said Russia’s losses were even worse, as U.S. President Joe Biden called on Congress to send as much as $33 billion to help Kyiv withstand the attack. The body of a journalist from U.S.-backed broadcaster Radio Liberty was found in rubble in the Ukrainian capital, killed in a missile strike that Russia said had targeted a rocket factory. The strike in central Kyiv coincided with a visit to the city by U.N. Secretary-General Antonio Guterres. One of the fighters holed…
