Investigations into the Bomas chaos which happened on Monday have begun, National Police Service has said.
It said the forensic analysis unit has already received the CCTV cameras for review.
"On the second incident which involved fracas at the IEBC National Tallying Centre-Bomas, police are seized of the matter and pursuing the investigation," NPS said on Wednesday.
"CCTV files have been collected and forwarded for further forensic analysis to aid the investigation."
This comes hours after IEBC chairperson Wafula Chebukati demanded that those involved be arrested at once.
"We call for arrest and prosecution of these assailants regardless of their political affiliation," Chebukati said on Wednesday.
He said his Commissioners are living in fear due to harassment and intimidation, urging those behind the actions to stop.
The chaos which began shortly before the president-elect was announced led to the physical attack, assault and injury of CEO Hussein Marjan and, commissioners Abdi Guliye and Boya Molu.
The Service has appealed to the public to volunteer any information regarding the chaos that will assist the probing.
It assured that the information will be received in confidence.
"NPS, therefore, appeals to the public to volunteer in confidence information that will assist in investigations."
