AAP, BJP supporters clash after Arvind Kejriwal's brief detention in Gujarat

The police attempt to control the clash between BJP and AAP workers outside the BJP office in New Delhi.

Senior AAP leaders alleged that stones and chairs were hurled at them from within the BJP office.

AAP supporters argue with BJP leader Nalin Kohli during a clash between AAP and BJP supporters outside BJP office in New Delhi

Protests broke out in Lucknow, soon after the Delhi riot.

In Allahabad, BJP workers burnt AAP caps.

BJP and AAP protestors clash with each other in Lucknow using sticks and stones.

An AAP volunteer clashes with a BJP worker.

In Lucknow, a BJP worker attacks a AAP volunteer.

The clashes erupted after Arvind Kejriwal was detained briefly by the police in Gujarat.

Mr Kejriwal says the police's action was ordered by Narendra Modi, who is the BJP's candidate for prime minister.

Mr Kejriwal is on a four-day tour of Gujarat where he says he will conduct on-the-ground checks of the extensive development of the state that has been highlighted by Mr Modi and the BJP in its election campaign.