Source 7
At midnight the rioters had entrenched themselves behind barricades in Tiong Bahru Road and Alexandra road from where they attacked police and civilian cars. Bricks and stones were being used as weapons. The rioters are believed to have taken a revolver from a detective who was found unconscious after being beaten up. They were stated to have used it against a police lorry. So far 19 people have been arrested on charges of rioting and unlawful assembly. none of them are students.
 Rioters battle the police( 1955, May, 13), The Straits Times, page 1. Retrieved 4/9/2014 from Source.



SOURCE 8 
 There will again be no bus services today along River Valley Road, Tiong Bharu Road Alexandra Road and other bus routes served by the Hock Lee Amalgamated Bus Company. At the suggestion by the police commissioner, Mr NIgel Morris, the company has decided to suspend operations for another day. Mr Morris first asked the company to stay off the road yesterday -" in the interests of public order." His request followed a clash on Wednesday between police and sacked employees of the company picketing the company's depot in Alexandra Road.
 It's another walk to work day-buses still off the road (1955 April 29), The Straits Times, page 1. Retrieved 4/9/2014 from Source