By Kuba Stezycki and Joanna Plucinska WARSAW (Reuters) -Thousands of Poles and Ukrainians are walking for peace and demanding an end to discrimination against the LGBT+ community on Saturday, in a joint Pride march in Warsaw that organisers say aims to defend freedom and equality as war casts a shadow over eastern Europe. The annual Pride march in the Ukrainian capital of Kyiv was cancelled due to Russia’s invasion, leading the LGBT+ community in Warsaw to team up with their counterparts in Ukraine to organise the event in the Polish capital. “Russia denied us the right that we were fighting f…