Prince Philip: Highlights of the duke's many visits to Northern Ireland

The duke pictured beneath the iconic cranes at Harland and Wolff during a visit to the Belfast shipyard as part of the Silver Jubilee tour in July 1977

Prince Philip first visited Northern Ireland with the Queen in 1949.

In all, the Duke of Edinburgh visited Ireland nearly 60 times - more than twice as often as the Queen.

An RUC officer salutes the prince as he enters the King's Hall, Belfast, to officially open the 1991 Ulster Motor Show

A portrait of a youthful Prince Philip hangs on the wall in Hillsborough Castle as he shares a joke with parents of Duke of Edinburgh gold award winners in February 2004

Prince Philip is greeted by Lord Lieutenant William Hall at a snowy Hillsborough Castle in February 2004

The Duke of Edinburgh meets patients and staff in the physiotherapy unit of the Police Rehabilitation and Retraining Trust on a visit in 2009

Prince Philip and the Queen on their way to Dublin Castle for a state banquet during the visit to Ireland in 2011

The Queen and Prince Philip visit Enniskillen during her Diamond Jubilee tour in 2012

Thousands crowded into the grounds of Stormont to see the Royal couple in 2012

In 2014, the Royal couple paid a visit to Crumlin Road Gaol in Belfast during a two-day NI tour

The Queen and Prince Philip look at newspapers from World War One at Coleraine Town Hall in 2014

The Duke of Edinburgh signing the visitors' book at Hillsborough Castle in 2014

The Queen and the Duke of Edinburgh enjoy the sights of the Giant's Causeway during a visit to the north coast in 2016

Prince Philip hosting the Duke of Edinburgh gold award presentations at Hillsborough Castle in 2017 - his last official visit to Northern Ireland