The May 1 riots or EDSA Tres was a protest sparked by the arrest in April 2001 of newly deposed President Joseph Estrada of the Philippines. The protest was held for seven days in a major highway in Metropolitan Manila, the Epifanio de los Santos Avenue or EDSA, which eventually culminated in an attempt to storm the Malacañang presidential palace. Taking place four months after EDSA Revolution of 2001, the protests were asserted as a more populist and representative uprising in comparison to the previous demonstrations in the same location, in January 2001. The protests and the attack on the presidential palace, however, failed in their objectives. Participants continue to claim that it was a genuine People Power event, a claim disputed by the participants and supporters of EDSA II. Presid