The incident at TC Televisión, a state-owned network, came amid widespread chaos and violence after President Daniel Noboa declared a countrywide state of emergency.

ABC News’ Matt Rivers has the details on violence sweeping across Ecuador that stemmed from an apparent prison escape of an alleged drug gang leader.

Ecuador's president declared a state of emergency Monday amid a wave of violence, mostly gang-related. Armed and masked gunmen stormed a TV station during a live broadcast Tuesday.

The move follows a wave of armed attacks in the South American nation, including one on a television studio during a live broadcast. ABC News’ Rhiannon Ally.

The incident at TC Televisión, a state-owned network, came amid widespread chaos and violence after President Daniel Noboa declared a countrywide state of emergency.

Ecuador’s national police chief later announced that authorities had arrested all the masked intruders. No one was killed in the attack.

The takeover came after the leader of a notorious criminal gang disappeared from jail.

Fernando Villavicencio, a presidential candidate in Ecuador, was assassinated at the end of a campaign rally in Quito on Wednesday.

ABC News’ Matt Rivers explains the latest after Fernando Villavicencio was assassinated at a campaign event in Ecuador.

Fernando Villavicencio, a presidential candidate in Ecuador, was assassinated at the end of a campaign rally in Quito on Wednesday.

At least 79 inmates have died in riots at four prisons across Ecuador, authorities said.