UPDATE: Baton Rouge police say Lionel Porter was arrested Friday morning in West Feliciana Parish. Porter will be booked into East Baton Rouge Parish Prison for 2nd degree murder.

BATON ROUGE- Authorities are searching for a man they say is responsible for killing another man earlier this month.

Investigators believe that Marcus Clay and the suspect, identified as Lionel Porter, 45, were involved in an altercation prior to the shooting. The incident happened May 20 in the 1800 block North Harco Drive.

Authorities say Clay was seen in the area suffering from apparent gunshot injuries. Clay was transported to a local hospital but later died from his injuries.

Anyone with any information on the identity of the suspect is urged to contact the Violent Crimes Unit at 389-4869.