Reacting sharply to the development, BJP lodged a protest with Governor K K Paul and alleged it was "abduction" of its MLA.
Terming the case lodged against Joshi as an act of "political vendetta" by the previous government, state urban development minister and spokesman of the state government Madan Kaushik said all "politically motivated" cases slapped against party workers by the previous regime are being withdrawn.
Political temperatures shot up in Dehradun on Friday abruptly after the arrest of Bharatiya Janata Party MLA from Mussoorie, Ganesh Joshi in the Shaktiman case, with the entire place agog with rumours that the BJP was trying to woo disgruntled Congress legislators to prove that the party had been reduced to a minority.
The horse was part of mounted police deployed to control the protest march called by the opposition party to protest against the state government's alleged failure on all fronts including law and order and corruption.
A series of cloudbursts hit different parts of Uttarakhand early on Saturday killing four people while 10 went missing as rivers breached their banks and washed away bridges, officials said.
People poured their wrath on Mussoorie MLA Ganesh Joshi for showing cruelty to the animal.
A man was arrested from Haldwani in Nainital district for pulling up the reins of a police horse and precipitating its fall during a protest march by BJP in the city recently.
Major Vibhuti Dhaundiyal attained martyrdom in an encounter with terrorists in Pulwama in Jammu Kashmir.
'They are calling me an accused without even an inquiry.' 'The video was fabricated and doctored. Now the truth is coming out.'
'I had told the government that if they could not take care of Shaktiman, I would take care of him.'
Nine Congress MLAs, most of them Bahuguna loyalists, rebelled against Harish Rawat and supported BJP's claim to form a government.