source:[1] Brent gains on Ukraine uncertainty, WTI disrupted by CME outage (https://www.hellenicshippingnews.com/brent-ga ...)[2] Russia-Ukraine Oil Peace Talks Transform Global Energy Markets (https://discoveryalert.com.au/strategic-dynam ...)[3] Oil prices fall as hopes for peace in Ukraine grow and geopolitical ... (https://en.clickpetroleoegas.com.br/petroleo- ...)