Deaf e-hailing driver Ong Ing Keong was grilled for more than four hours by the police today, during which he was questioned about two separate cases of alleged police misconduct, said his lawyer N Surendran.

The 46-year-old, who was allegedly assaulted by a traffic escort of Johor Regent Tunku Ismail Sultan Ibrahim, had his statement recorded by three officers from Bukit Aman’s Integrity and Standard Compliance Department.