July 3: Eight police personnel, including a DSP, gunned down in Bikru village near Kanpur allegedly by the henchmen of gangster Vikas Dubey. Hours later, Dubey's two accomplices also killed in an encounter.
July 4: UP Police suspends Chaubeypur station officer Vinay Tiwari, suspected of tipping off Dubey about a raid to arrest him. Dubey's house in Bikru village razed under police presence.
July 5: Dubey's aide Dayashankar Agnihotri arrested in a pre-dawn encounter in Kanpur.
July 6: UP Police suspends three more of their men. UP Police says they are probing allegations in a letter purportedly written by slain DSP Devendra Mishra, alleging links between Vinay Tiwari and Dubey.
July 7: All 68 personnel of the Chaubeypur police station shunted to the reserve police line. Three more people linked with Dubey arrested. DIG Anant Deo, a former Kanpur Nagar SSP, transferred to the Provincial Armed Constabulary (PAC) in Moradabad.
July 8: Police shoot dead an aide of gangster Vikas Dubey and arrest six other alleged accomplices. Two suspended sub inspectors, Vinay Tiwari and Bikru beat in-charge K K Sharma, also arrested. UP STF detains Vikas Dubey's brother-in-law Raju Nigam in Madhya Pradesh's Shahdol district.
July 9: Madhya Pradesh police arrest Vikas Dubey outside Mahakal temple in Ujjain, hand him over to UP Police. Dubey's aides Prabhat and Praveen shot dead in separate encounters in UP. Dubey's wife, son and a help held by the Uttar Pradesh police for questioning.
July 10: Vikas Dubey shot dead on the outskirts of Kanpur. Police say he was trying to escape from custody.