Newt Gingrich leading in key Iowa poll

Newt Gingrich has taken the lead in a poll of Republican voters in Iowa, followed by Ron Paul and Mitt Romney.

Former House Speaker Mr Gingrich received support from 25% of likely voters in the lead-off Iowa caucus, while Texas congressman Mr Paul had 18% and former Massachusetts Governor Mitt Romney had 16% in the Des Moines Register’s Iowa Poll.