MIAMI, Fl. - South Florida authorities are searching for a man they say fatally stabbed two people and wounded two others.

Miami-Dade police want to arrest 29-year-old Joseph Teman Swift.

Homicide detectives say they plan to charge him with two counts of first-degree murder.

The stabbing occurred Sunday night at a Miami home.

Police say 58-year-old Jenetha Jones and her son, 23-year-old Wade Jones, were pronounced dead at the scene, while her daughters, 30-year-old Natasha Jones and 25-year-old Taree Jones, were airlifted to a local trauma center in critical but stable condition. 

A toddler present during the attack was not harmed.

Police say Swift, who was reportedly Natasha's ex-boyfriend, fled in an unknown direction.