Marco Rubio: 'Obama policy of divide and conquer'

Florida Senator Marco Rubio has attacked President Barack Obama in a speech at the Republican convention in Tampa.

Sen Rubio said Mr Obama had pit Americans against each other by telling them "that they're worse off because others are better off".

"Hope and change has become divide and conquer," he added.

Sen Rubio was introducing Mitt Romney as he formally accepted the party's nomination to challenge President Obama for the White House.