The Kerala Police Special Investigation Team (SIT) has reportedly issued notices to CPM state secretary M.V. Govindan, CPM MP (RS) John Brittas and other leaders in connection with the May 27 attack on Enforcement Directorate (ED) officials by CPM cadres outside the residence of former Kerala Chief Minister and CPM supremo Pinarayi Vijayan. The attack took place as ED officials were returning after conducting a raid at Vijayan’s residence in con…