NEW: Haiti's prime minister praises El Salvador's president Nayib Bukele for unleashing fury on Haitian gangs.
About 20 gang gunmen were killed following an attack targeting the 400 Mawozo gang, according to the Miami Herald.
Bukele shared a post in Haitian Creole announcing that Salvadoran forces had destroyed the 400 Mawozo gang’s headquarters and the home of the gang's leader, Lanmò San Jou.
Haiti's prime minister, Alix Didier Fils-Aime, praised the attacks against the gangs.
"I salute the commitment of the Salvadoran forces in the fight against gangs..." he said.
"Hats off to President Nayib Bukele for your support and commitment to the national fight against gangs... THE GANGS WILL GET NO SLEEP!"