Police have arrested four men for allegedly gang-raping and murdering a 27-year-old woman veterinary doctor on the outskirts of the Hyderabad. The doctor's charred body was found under a culvert on the Hyderabad-Bengaluru highway. Police said that the accused – two lorry drivers and their accomplices – deliberately deflated one of the tyres of the woman’s two-wheeler before offering help, They then gang-raped and murdered her. The accused the carried the body of the woman and burnt it, the poice said.