Seventeen captured men paraded in front of journalists, as police chief says another three were killed and eight remain on the run

A heavily armed commando unit that assassinated Haiti’s president, Jovenel Moïse, was composed of 26 Colombians and two Haitian Americans, authorities have said, as the hunt goes on for the masterminds of the killing.

Moïse, 53, was fatally shot early on Wednesday at his home by what officials said was a group of foreign, trained killers, pitching the poorest country in the Americas deeper into turmoil amid political divisions, hunger and widespread gang violence.

An already struggling and chaotic Haiti is reeling from the assassination of President Jovenel Moïse, followed by a reported gun battle in which authorities said police killed four of the murder suspects. Officials have pledged to find all those responsible for the raid on Moïse’s house before dawn on Wednesday. The government has declared a two-week state of emergency to help it hunt the assassins.

• Haiti: four dead after police gunfight with suspected killers of president Jovenel Moïse
• ‘It’s all up in the air’: wary Haitians stay home as power struggle looms
• Haiti reels from murder of president as police hunt assassins

Two-week state of emergency declared as officers reportedly kill four suspects in gun battle after Jovenel Moïse’s death

A struggling and chaotic Haiti is reeling from the assassination of President Jovenel Moïse followed by a reported gun battle in which authorities said police killed four of the murder suspects, detained two others and freed three officers who were being held hostage.

With Port-au-Prince’s airport still closed and residents asked to remain at home, rumours and speculation continued to swirl around the murky circumstances of Moïse’s murder.

Details of assassination of President Jovenel Moïse emerge as political uncertainty grips nation

Disturbing details of the murder of Haiti’s president, Jovenel Moïse, are emerging as the Caribbean country grapples with the fallout from what was officially the first assassination of a serving president in the Americas since the shooting of John F Kennedy in 1963.

Moïse, who had been facing mounting public anger over what critics called his reluctance to relinquish power, was shot dead in the early hours of Wednesday at his home in a wealthy suburb of the capital, Port-au-Prince. The first lady, Martine Moïse, was wounded and evacuated to Miami where she is reportedly in a stable condition.

Police say another two attackers have been detained and that assailants will be ‘killed or captured’

Haiti’s security forces have killed four members of a group of “mercenaries” who assassinated President Jovenel Moïse in his home, police chief Leon Charles has said.

“The police is still in combat with the assailants,” Charles said in a televised briefing late on Wednesday, saying that two of the attackers had been detained. Of the rest he said: “They will be killed or captured”.

Assassination of President Jovenel Moïse leaves impoverished Caribbean nation on brink of chaos

The assassination of Haiti’s president early on Wednesday marks the explosive climax of a spiralling political and security crisis – and threatens to open a violent new chapter in the Caribbean nation’s volatile history.

Jovenel Moïse was gunned down at his home in the capital, Port-au-Prince, with witnesses and government officials suggesting the attack was perpetrated by black-clad “mercenaries” posing as DEA agents. His wife, the first lady, Martine Moïse, was also reported to have been wounded in the attack.