Barack Obama has extended his lead over Hillary Clinton in the latest results of the tracking Gallup Poll.
The poll, conducted between March 27 and 29, shows Obama on 52% compared to Clinton on 42%.
In an apparent confirmation of the result, Rasmussen have also released a poll, conducted over the previous 4 nights, showing Obama leading Clinton 47%-42%.
White males and those under 50 are strongly supporting Obama, with white women and older voters still sticking with Clinton.
Obama extends lead over Clinton
