A hit-and-run driver who struck and killed a Connecticut state trooper last year has pleaded guilty to a manslaughter charge and agreed to serve an 18-year prison sentence.

The man who is accused of hitting and killing Connecticut State Trooper First Class Aaron Pelletier on Interstate 84 in Southington in May, then leaving the scene, has accepted a plea deal and will spend 18 years in prison.

A man accused of hitting and killing a state trooper last year was scheduled to make a court appearance on Tuesday.

The man who struck and killed Trooper First Class Aaron Pelletier in a hit-and-run crash last May has accepted a plea deal in the case Tuesday. The deal, reached in New Britain Superior Court, will have Alex Oyola-Sanchez spend 18 years in prison.