National potato day: try Maris Piper for making chips and for roasting. Photograph: iStock/Getty

Happy Potato Day, everybody! For the day that’s in it we thought we’d dig up all the interesting things we could find about the humble spud. 1 Irish (...)

Northern Ireland’s former First Minister Peter Robinson was plotting to declare an independent state. File photograph: Eric Luke/The Irish Times

Northern Ireland’s former First Minister Peter Robinson was plotting to declare an independent state amid a feared bloodbath in the aftermath of the (...)

British home secretary Theresa May: she  announced a freeze on the UK assets of Andrei Kovtun and Dmitry Lugovoy, who is now a Russian member of parliament, after a judge said there was “no doubt” they poisoned Alexander Litvinenko in London in 2006. Photograph: PA Wire

David Cameron has promised tougher action against Russia after a public inquiry found that President Vladimir Putin probably ordered the murder of fo(...)

 Alexander Litvinenko in  2006: Forensic tests  uncovered a trail of  polonium-210 –  which is used in Russia’s nuclear industry –  following the movements of Andrei Lugovoy and Dmitry Kovtun, allowing Robert Owen  to declare in his report that he was “sure” the two men administered the poison that killed Litvinenko. Photograph: PA

As Alexander Litvinenko lay dying in a London hospital in November 2006, neither he nor his doctors understood the nature of his illness. But the form(...)

Marina Litvinenko, widow of murdered ex-KGB agent Alexander Litvinenko, and Russian president Vladimir Putin. Photographs: Ben Pruchnie/Getty Images and Sergei Ilnitsky/AFP/Getty Image

Russian president Vladimir Putin probably approved a Russian intelligence operation to murder ex-KGB agent Alexander Litvinenko, a British inquiry in (...)

Members of the Cassidy family; (from left),  Eddie, John, Constance, Eleanor, Jane, Harry and Kate, after their Supreme Court win this morning.  Photograph: Cyril Byrne/The Irish Times

The owners of Sligo’s Lissadell House have secured a Supreme Court ruling that there are no public rights of way across most of four routes through th(...)