The security police threatened 15 years old Jonathan Porto with imprisonment.
A secret agent summoned on Thursday a teenage member of the opposition to the the Palma Soriano police station.
An officer who introduced himself as Jorge informed him that he would remain under police surveillance and monitoring. Mr Jorge added that he could be imprisoned if he participated in the anti-regime demonstrations or in opposition activities.
The Christian Liberation Movement condemned the regime's harassment against Jonathan Porto Dilut.
As the Christian Liberation Movement, we express our strongest condemnation of the harassment conducted against young people and all dissidents within Cuba, especially in the case of Jonathan Porto Dilut, Mr. Carlos Payá, representative of Cuba's organization, told Radio Marti.