Ukraine’s ambassador to the United Nations gave Russian diplomats some unsolicited mental health advice in response to their latest wild claim. The Russian embassy in London on Monday tweeted that Russia, which attacked Ukraine, is actually attempting to stop a war in Ukraine. Sergiy Kyslytsya, Ukraine’s U.N. ambassador, held up the tweet, read the message and fired back. “Let me remind the Russian diplomats that in London, in case of need for mental help, you can dial NHS line 111,” he wrote, referring to the emergency number for the National Health Service in the U.K. “Thank you.”“There is no purgatory for war criminals,” he told Russian Ambassador Vasily Nebenzya. “They go straight to hell, ambassador.”On social media, others took issue with the same post from the Russian embassy in London that provoked the response from Kyslytsya: