 Meanwhile, police have picked up around 100 MNS activists, including some corporators as a preventive measure.In Nashik, MNS activists set ablaze a truck near PWD minister Chhagan Bhujbal's farm and also damaged another truck at Vilholi-Phata area, police said.Incidents of stone pelting on MSRTC buses and other vehicles were reported in some areas, they said, adding vehicular traffic on the busy Mumbai-Agra-national highway was disrupted following the protest.