Four metro stations in the north block area of the national capital will remain closed from tomorrow morning till further notice in the wake of sit-in protest by Delhi Chief Minister Arvind Kejriwal-led Aam Aadmi Party.

In a late night direction to DMRC by the Delhi Police, no services will be available at the four stations -- Patel Chowk, Central Secretariat, Udhyog Bhavan and Race Course -- from 6 am onward till further notice, a DMRC official said.

Also, no interchange will be available at Central Secretariat. Trains on Line 6 coming from Badarpur to Central Secretariat will terminate at Khan Market metro station and this arrangement will be in place till further directions, the official said tonight.