British PM on mission to rescue Brexit deal as EU insists "no renegotiation"

British Prime Minister Theresa May (L) shakes hands with European Commission President Jean-Claude Juncker during their meeting to discuss Brexit at the EU headquarters in Brussels, Belgium, on Dec. 11, 2018. Theresa May launched her mission Tuesday to attempt to rescue her Brexit deal with a round of meetings with European Union (EU) member leaders. (Xinhua)