DETROIT – Police continue to investigate a shooting where nearly 30 bullets were sprayed on I-94 Sunday morning and two up-and-coming Detroit rappers were killed.

The shooting happened in the eastbound lanes of I-94 near Livernois Avenue. The freeway was closed for several hours.

ORIGINAL REPORT: EB I-94 closed at Livernois in Detroit due to fatal shooting investigation

Raymell Campbell, 27, and Dominique Brown, 26, were killed when shots were fired at the white Chrysler 200 they were driving. The motive behind the shooting is unclear but Michigan State Police said it appears to be the result of an "ongoing feud between two subjects."

Campbell was a rapper in the community known as 47Mell. Brown was known Domo Brown.

According to family members, the pair had been friends since high school and leaving a recording studio when they were killed.

The Wayne County Medical Examiner said the autopsies are expected to be completed Monday.

Brown's mother said she doesn't believe they were targeted. Authorities said they don't believe the shooting was random.

MSP released the following statement:

"The MSP Special Investigation Section continues their investigation into the double shooting/homicide that occurred on I-94. The investigation revealed this is not a random shooting . This appears to be the result of an ongoing feud between two subjects and suspect leads are being investigated. There is no further information that can be released at this time in the interest of the ongoing investigation."

Brown was a mother to a 4-year-old son and 1-year-old daughter.

No other official information has been released.

Stay with Local 4 and ClickonDetroit.com as more information becomes available.