By Shannon McCaffrey - June 21, 2011

ATLANTA (AP) - The top fundraisers for Newt Gingrich's presidential campaign have abandoned his struggling bid amid anemic fundraising and heavy spending.

Campaign spokesman R.C. Hammond is confirming to The Associated Press that fundraising director Jody Thomas and fundraising consultant Mary Heitman have left the team.

The former House speaker's campaign has been on life support since earlier this month when 16 top aides and advisers resigned en masse over disagreements with the Republican candidate.

Gingrich has insisted that he will stay in the race.