Turkish President Tayyip Erdogan accused Europe on Sunday of abetting terrorism by supporting Kurdish militants and said he did not care if it called him a dictator.
Turkey drew international condemnation for the arrest on Friday of leaders and lawmakers from the pro-Kurdish Peoples' Democratic Party (HDP), the second-largest opposition grouping in parliament, as part of a terrorism investigation.
The government accuses the HDP, which made history last year by becoming the first Kurdish party to win 10 percent of the vote and enter parliament, of financing and supporting an armed Kurdish insurgency, which it denies.
The HDP announced a partial boycott of parliament on Sunday, saying it was "halting its legislative efforts" and that its deputies would stop participating in sessions of the legislature or meetings of parliamentary commissions.
The action against the HDP has heightened concern among Western allies about the state of democracy in Turkey, a NATO member which aspires to join the European Union and which is a buffer between Europe and the conflicts in Syria and Iraq.
More than 110,000 officials - from soldiers and judges to teachers and journalists - have been detained or suspended since a failed military coup in July, in what Erdogan's critics say is a crackdown on all forms of dissent.