Chennai, Nov 10: Over 60 journalist and non journalist staff of the Theekathir, the mouthpiece of CPI-M, today observed a day's fast in front of their office in the city condemning the arrest warrants issued against six scribes by the Tamil Nadu Assembly Speaker K Kalimuthu. M P Veerendrakumar, INS president and PTI chairman, visited the fasting site to express solidarity with them. Bureau Report