Former President Evo Morales on Sunday accused his political ally-turned-rival President Luis Arce of deceiving Bolivians by staging a "self-coup" last week to earn political points among the electorate, marking a sharp downturn in an already fraught relationship.

Morales was initially among the country's most powerful voices to say the approximately 200 members of the military who marched on Bolivia's government palace alongside armored vehicles Wednesday had attempted a "coup d'état." He called for "all those involved in this riot to be arrested and tried."