Theresa May says her meeting with Leo Varadkar is off due to the leadership contest she faces.
The RHI Inquiry returns to hear closing statements from some of the key figures in the cash-for-ash scheme.
Leo Varadkar made the remark before it was confirmed Theresa May will meet him in Dublin on Wednesday.
BBC News NI assesses the current position on the Irish border and Brexit.
Two prime ministers dependent on NI votes
The DUP has always seen itself as the party of the economy, but has Brexit damaged its business links?
Some politicians have stressed their unionist credentials during Brexit.
Mark Carruthers and guests on the week's political news
What economic problems and opportunities could the backstop present?
Theresa May's diplomatic activity eats up time and brings the EU departure date closer.
The latest live coverage of the UK's parliaments and assemblies from the BBC
15 sayings from around the world