Bernie Sanders wins Wyoming Democratic caucuses

Victory puts further pressure on Clinton after a tumultuous week
PHOENIX, AZ - MARCH 15: Democratic presidential candidate Sen. Bernie Sanders (D-VT) speaks to a crowd gathered at the Phoenix Convention Center during a campaign rally on March 15, 2016 in Phoenix, Arizona. Hillary Clinton won the Democratic primary elections in Florida, North Carolina and Ohio, while Missouri and Illinois remain tight races. (Photo by Ralph Freso/Getty Images)
Democratic presidential candidate Bernie Sanders giving a speech in Phoenix, Arizona © Getty

Bernie Sanders has won the Wyoming Democratic caucus, according to the Associated Press, extending a seven-state winning streak for the Vermont senator and putting further pressure on his opponent Hillary Clinton.