A Dorchester man was charged on Monday with drunken driving and killing a person in a crosswalk in an incident on Saturday night, according to the Suffolk County District Attorney's office. 

Anthony Earl Buchanan, 39, was charged with motor vehicle homicide while operating under the influence and leaving the scene of a collision causing death. 

Police say that Buchanan was driving a rented Dodge Charger while drunk and speeding and struck 46-year-old Johnette Sims in a crosswalk in Mattapan. He then left the scene of the collision, officials said. 

State troopers, Boston police and Boston EMS responded to a call at the area of Morton and Canterbury streets in Mattapan at about 10:30 p.m. Saturday night.

The death investigation, led by state police, was aided by footage from a camera worn by a scooter operator who was uninvolved with the accident, officials said. 

While investigators traced the vehicle's rental information and searched for Buchanan, he surrendered himself to Boston police. 

Buchanan was ordered held on $5,000 bail and ordered to remain alcohol-free, stay away from the victim's family and remain within Massachusetts while the case in pending. He is due back in court Oct. 7 for a probable cause hearing.