UPDATE 1-Citgo Petroleum to dismiss workers in Aruba over U.S. sanctions -prime minister

Feb 15- A Citgo Petroleum Corp refining unit in Aruba plans to dismiss workers following sanctions imposed by the United States on Venezuela's state-run PDVSA, the parent company of the U.S. refining firm, the island's prime minister said on Friday. President Donald Trump's administration last month disclosed tough sanctions on Petroleos de Venezuela,...