Former mayor of Rajshahi City Corporation (RCC) and BNP leader Mizanur Rahman Minu was admitted to Rajshahi Medical College Hospital (RMCH) on Wednesday morning after he fell ill.Minu was taken to RMCH from Rajshahi central jail around 11:00 am after he complained of chest pain.He is now undergoing treatment at the intensive care unit of the hospital, said cardiologist Dr Khalek.Earlier on July 13 this year, two separate courts here sent Mizanur Rahman Minu to jail turning down his bail petitions in six cases filed for vandalism and arson during the BNP-led 20-party alliance`s hartal and blockade programme.Besides, Judge Mokseda Ajgar of Metropolitan Magistrate Court-1 sent the BNP leader to jail in three cases filed with Boalia Police Station while he was granted bail in another case filed with the same police station.Seven cases three with Motihar Police Station and four with Boalia Police Station were filed against the BNP leader on charges of vandalising vehicles and carrying out subversive activities in different times during the BNP-led 20-party alliance`s hartal and blockade programme.