Tributes to a former Donegal Person of the Year Stephen McCahill who was fatally assaulted yesterday.

Researchers from Oxford University found that, on average people who stop using anti- obesity injections regain all the weight they lost within twenty months. For more on this Dimitrios Koutoukidis, Associate Professor of Diet and Obesity at Oxford University.See omnystudio.com/listener for privacy information.

A prehistoric hillfort in Country Wicklow which scientists believe is the largest nucleated settlement in pre-historic Ireland and Britain. Dr Dirk Brandherm who led the study tells us more.See omnystudio.com/listener for privacy information.

For an American persepective, Todd Robinson who served as acting US Ambassador to Venezuela during Donald Trump's first term.See omnystudio.com/listener for privacy information.

For the latest our Political Correspondent, Micheál Lehane, Dr Eoin Drea, senior researcher with the Wilfid Martens Centre for European Studies in Brussels and Seán Canney - independent TD for Galway East and Minister for State in the Department of Transport.See omnystudio.com/listener for privacy information.

Detective Chief Superintendent Séamus Boland, the head of An Garda Síochána's Drugs and Organised Crime Bureau.See omnystudio.com/listener for privacy information.

For the latest on this our Europe editor, Tony Connelly.See omnystudio.com/listener for privacy information.

For more on this Danish MP Trine Mach and member of the Parliament's Greenland Committee.See omnystudio.com/listener for privacy information.

For more on this Conor Pope Consumer Correspondent with the Irish Times.See omnystudio.com/listener for privacy information.

Our health correspondent Fergal Bowers.See omnystudio.com/listener for privacy information.

Tony Geraghty, retired Naval CommanderSee omnystudio.com/listener for privacy information.