Senate Majority Leader Mitch McConnell says Donald Trump, as the Republican Party's presumptive presidential nominee, has the "opportunity and the obligation" to unite the GOP.

In a statement, McConnell says he committed to supporting the nominee chosen by Republican voters and noted that Trump is on the verge of clinching that nomination. But McConnell's statement was hardly a full-throated endorsement.

The Kentucky Republican says his party is committed to "restoring economic and national security" and preventing what he characterized as a "third term of Barack Obama" if Democratic front-runner Hillary Clinton wins the White House. He says Trump now must unite the party around "our goals."