At least 28 suspected gang members killed in Port-au-Prince, say Haiti police

Armed groups clash with residents and police after plans for attack on Petionville area announced on social media

Gangs have launched a fresh attack on Haiti's capital, targeting an upscale community in Port-au-Prince where people with guns clashed with residents who fought side by side with police.

The attack on Petionville was led by the Viv Ansanm group, whose leader, former police officer Jimmy Cherizier, had announced the plan in a video posted on social media.