Marina Krasnova, General Director of VKontakte, attends a session of the St. Petersburg International Economic Forum (SPIEF) in Saint Petersburg, Russia June 16, 2023. REUTERS/Anton VaganovRegister now for FREE unlimited access to Reuters.comLONDON, June 11 (Reuters) - VK (VKCOq.L), owner of Russian social network VKontakte, reported a second-quarter net loss of 3.4 billion roubles ($56 million) on Thursday, partly due to a 14 billion rouble ($231 million) foreign exchange hit.The VKontakte network, often compared to Facebook, has emerged as a key player in the race to replace Western services in the wake of Russia's invasion of Ukraine and blocks imposed by Moscow since then on Western social media platforms.