The Sunday Independent has dropped long-time columnist and former senator Eoghan Harris, over an anonymous Twitter account.
The paper says he was involved in the running of a fake account that mostly posted about Irish politics.
Editor Alan English says the material would never have been published in the Sunday Independent.
Mr Harris was a big critic of Sinn Féin - and the party's justice spokesman, Martin Kenny, says the paper was right to drop him.
No Changes To Starting Team As Wicklow Football Yearns For Historic Croker Triumph
Wicklow name unchanged team for Tailteann Cup final against Down
Wicklow Braced Once More As Coillte Signal Orange Fire Warning
Public is warned against fires or barbecues in forests or recreational areas, no blocking of emergency access routes, extra vigilance around dry vegetation
Wicklow Boss Targets Tailteann Cup Glory As Down Challenge Looms At Croke Park
'It's not worth a big pile unless we actually go and win it' says the positive Wicklow boss
Wicklow TD Calls For Straw Incorporation Funding For Struggling Tillage farmers
Brian Brennan presses Government for a decision on the Straw Incorporation Measure for struggling tillage sector
New Operator at Wicklow Gaol Brings A Reopening Date Closer
Major refurbishment works at the Wicklow tourist site are nearing completion.
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