Florida Sen. Marco Rubio on Sunday won the Republican primary in Puerto Rico, his second victory in the 2016 race, according to the Associated Press.
Rubio won the Minnesota GOP Caucus on Super Tuesday and is struggling to keep his campaign alive through March 15, when his home state holds a primary in which the winner takes all 99 delegates.
23:34 Trump joins the effort to pass a health-care bill, but another GOP senator is opposed16
10:47 With a raucous rally in Cedar Rapids, Trump transports himself back to 201621
02:31 In Iowa, Trump rallies base, celebrates GOP resilience26
02:19 Back in campaign mode, Trump hits on immigration and a border wall31