The poll was released on the eve of voting in Indiana
Polls opened at 6am in the 'Hoosier' state
Mr Trump was campaigning ahead of a crucial contest in Indiana
Donald Trump has hinted he wants a running mate with government experience
President take aim at a range of figures but saves his sharpest jibes for the Republican frontrunner
The US presidential hopeful and Russia's president have spoken highly of one another
Many Arabs see the Republican presidential hopeful as a bigot, while Israel is concerned his isolationist foreign policy pledges will harm their interests
The Republican front-runner is in San Francisco to address the California GOP Convention
The package was later deemed to be harmless
The attack came while Mr Trump was campaigning in Indiana
Former Secretary of State Madeleine Albright called Donald Trump 'reckless and dangerous'
The wife of the Republican presidential frontrunner has rebuked them for reporting on her family's private issues
The Republican frontrunner said the jihadist group would disappear ‘very, very quickly’ under his presidency
The GOP front-runner spells out his plan to 'make America respected again'
The former Hewlett-Packard boss sang to Mr Cruz's daughters after being announced as his vice presidential pick
Trump’s bold statements have proven spot-on throughout his entire campaign. He’s simply been reading the Republican playbook aloud for all to hear – and Christian fundamentalists are lapping it up, while politicians in the party despair