Some wrote complaint letters to police accusing politicians of ' cross - posting ' One voter anonymous donors were offering free meals and hotel accommodation . Details refer to by - elections in derby , Heywood and Middleton , Newark . Also include Rochester and Strood , and derby and Sale East .
Some wrote complaint letters to police accusing politicians of 'fly-posting ' One voter complained donors were promising free curry and hotel stays . Details refer to by-elections in Clacton , Heywood and Middleton , Newark . Also include Rochester and Strood , and Wythenshawe and Sale East .