The Delhi police on Wednesday sent a notice to Delhi Chief Minister Arvind Kejriwal asking him to join the investigation in the Delhi chief secretary assault case.

The Civil Lines police station inspector went to the residence of the Delhi CM with a notice to join the investigation. The notice was received by his staff but no response over confirmation of his presence for investigation has been received, said a senior police official.

Police said that they have issued a notice under Section 160 of the CrPC to Kejriwal, asking him to join the ongoing investigation on Friday at 11 a.m.

“We are dealing professionally and have given Mr. Kejriwal the option to choose the location for questioning, either at his residence or office,” Harendra Singh, Additional DCP (north) Harendra Singh.