JOHOR BARU: Some 20 individuals have been arrested by the police to assist in investigations into a riot on the first day of Hari Raya. State Criminal Investigation Department chief Senior Asst Comm Datuk Md Yusof Ahmad (pic) said the suspects, aged between 16 and 28, were arrested during an operation around the Batu Pahat area which started at about 11pm on Thursday. He said they were brought to court and remanded until May 17. SAC Md Yusof said the riot was believed to have taken place at around 2am on Thursday in Pekan Parit Raja at the 22.5km mark of Jalan Batu Pahat-Kluang.