By this time
P : at the railway station
Q : reported mass looting
R : reports of violence were flooding in
S : which police dispatches

The Proper sequence should be:

A. RSPQ

B. SPRQ

C. SQRP

D. RSQP

Answer: Option C

Solution(By Examveda Team)

By this time which police dispatches reported mass looting reports of violence were flooding in at the railway station.