Rubio to hold onto delegates

"Despite suspending his campaign, Sen. Marco Rubio is attempting to keep every delegate he won while running for president.
The unusual move reflects preparations for a contested convention this summer — and comes as Donald Trump backed away from an earlier pledge to support the Republican party's nominee if he is treated unfairly after winning more delegates than his rivals.
Rubio aide Alex Burgos told MSNBC that while the Florida senator is "no longer a candidate," he "wants to give voters a chance to stop Trump."

                      

When presidential candidates suspend their campaigns, typically their delegates become free to support the candidate of their own choosing at the convention. Rubio, however, has quietly been reaching out to party officials with a different approach.
He is personally asking state parties in 21 states and territories to refrain from releasing any of the 172 delegates he won while campaigning this year, MSNBC has learned.
Rubio sent a signed letter to the Chair of the Alaska Republican Party requesting the five delegates he won in that state "remain bound to vote for me" at the Republican National Convention in Cleveland in July." NBC