The Peoples' Democratic Party (HDP), the third-largest party in this legislature, said it would no longer be taking part in general sessions of parliament or commission work.
The arrest on Friday of the MPs, including party leaders Selahattin Demirtas and Figen Yuksekdag, added to tensions as Turkey wages a relentless battle against Kurdish militants and deals with the aftermath of a July 15 failed coup.
They have been charged with membership and promotion of the outlawed Kurdistan Workers Party (PKK).
Yesterday, an Istanbul court ordered the jailing pending trial of nine executives and editorial staff from the opposition Cumhuriyet newspaper.
Also Read
Some 35,000 people have been arrested after the coup bid, which Ankara blames on the US-based preacher Fethullah Gulen, while tens of thousands more have been fired from their jobs.
The latest arrests of the HDP MPs prompted the Turkish authorities to restrict access to social media and VPN applications and also led to more heavy losses for the embattled Turkish lira.
"It's very easy to to see their true faces," Erdogan said in a televised speech.
The HDP has always denied being a front from the PKK, which has waged an over three-decade insurgency against the Turkish state in search of greater rights and autonomy for the Kurdish minority.
The HDP said instead of sitting in parliament, its remaining MPs who are not under arrest will go from "house to house, village to village and district to district" to meet people and decide future strategy.
Disclaimer: No Business Standard Journalist was involved in creation of this content