McGuinness claims his involvemnet in peace process will help him

Martin McGuinness claims the Northern Ireland peace process will be strengthened by his involvement in the Irish presidential election.

The former IRA leader's been formally endorsed by Sinn Fein's leadership.

Mr McGuinness says he has a strong track record in peacemaking and that he's received expressions of support from people who lost loved ones at the hands of IRA members.

Martin McGuinness says he has and always will promote peace - something he has a proven track record in: