Massachusetts Senator Elizabeth Warren has thrown her support behind Hillary Clinton's bid for the While House, just hours after President Barack Obama officially endorsed the presumptive Democratic nominee.

Warren, a popular figure with the liberal wing of the Democratic party, told MSNBC's "The Rachel Maddow Show" that she was "ready to get in this fight and work my heart out for Hillary Clinton to become the next president of the United States and to make sure that Donald Trump never gets any place close to the White House."