Arbitrary detention refers to the unlawful or unjustified holding of an individual by authorities without proper legal procedures. This can occur when a person is arrested without sufficient evidence or due process, violating their rights. Such actions can happen in various contexts, including political situations or during law enforcement operations. This practice is often criticized by human rights organizations, as it undermines the rule of law and can lead to abuse. International bodies, like the United Nations, advocate for the protection of individuals against arbitrary detention, emphasizing the importance of fair legal processes and accountability for authorities.