Uttar Pradesh Chief Minister Yogi Adityanath has ordered a probe into the matter by Commissioner Saharanpur.
The cop defended his gesture, saying it should not be given a religious hue.
Official sources said the CRPF commandos will be deployed for the security of Owaisi round-the-clock.
In the 1.43 minute-long video, Meerut SP Akhilesh Narayan Singh can be seen talking to three men in a narrow lane. Singh claimed that he had made the statement to a group of people who were raising slogans in support of Pakistan.
Over 6,000 loudspeakers were removed from religious places and the volume of another 30,000 was set to permissible limits across Uttar Pradesh following a government order, a senior police official said on Wednesday.
The UP government has deployed additional police, including over 1,000 personnel of anti-riot forces, and ordered multiple probes -- by SIT, ADG-Intelligence -- and a magisterial inquiry.
'Governments forget that no matter how cunning they are, eventually they cannot ride on anarchy,' says Shuma Raha.
Of the 27 named, at least four are workers and functionaries of right-wing organisations, including the Bajrang Dal, officials said.