Four persons died and twoothers fell seriously ill after allegedly consuming spurious liquor at a village in Ratlam district of Madhya Pradesh, police said on Sunday.Six people were brought to the district hospital on Saturday and Sunday after they consumed spurious liquor, Ratlam District Superintendent of Police, Gaurav Tiwari, said."While four of them died, two others are in a critical condition and undergoing treatment," he added.The victims are from Nimali village near here and complained of uneasiness, vomiting and blurred vision, Tiwari said.The deceased were identified as Rituraj Singh (35) Vicky Singh (21), Jaisingh Singh (26) and Arjun Nath (22).Police have launched an investigation and waitingfor the post-mortem reports of the deceased, the SP said.