The inquiry committee, investigating the vandalism at the Salt Lake Stadium during an event involving Argentine soccer star Lionel Messi, has recommended the constitution of a Special Investigation Team (SIT) to probe the incident, an official said on Tuesday. The panel, headed by Justice (Retd) Asim Kumar Roy, submitted its preliminary report within three days on Monday, he said. "The incident warrants a thorough and independent investigation. We have recommended the formation of an SIT to ascertain responsibility and lapses," a member of the committee told PTI, referring to the preliminary findings. The committee was formed on the instructions of Chief Minister Mamata Banerjee and is headed by Roy and comprises Chief Secretary Manoj Pant and Home Secretary Nandini Chakraborty, following unrest at the stadium during Messi's visit to Kolkata on December 13. The report raised serious questions over violations of standard operating procedures, particularly regarding the entry of wate