New Delhi, Aug. 21 -- The Delhi Police on Wednesday said senior officers in the Centre will be reviewing Delhi chief minister Rekha Gupta's security arrangements and might enhance it, following a physical assault by a 41-year-old man during a grievance redressal programme. Currently, the CM is accorded the Z-plus security cover, with police suggesting it might be upgraded to have "more personnel" or enhanced arrangements. A senior police officer, not wishing to be named, said, "The security unit has been roped in. We might also suggest changes in her security arrangements, especially when she meets public people on the ground..." Police said the Union home ministry will decide on the security cover and enhancements. While MHA had accorded t...