UPDATE: DOTD says all lanes have reopened.

All lanes are now open I-12 East before Essen Lane. Congestion has reached Acadian Thruway on I-10 East.

— Baton Rouge Traffic (@BR_Traffic) https://twitter.com/BR_Traffic/status/1022959393791516672?ref_src=twsrc%5Etfw">July 27, 2018

BATON ROUGE - The right two lanes of I-12 East are blocked before Essen Lane due to an accident.

The crash happened before 4:30 p.m. DOTD cameras near the scene showed an SUV in the middle of the roadway, and a group of people standing off the shoulder of the road.

It is unclear if anyone was injured.

DOTD says congestion has reached the I-10/I-12 split.

The two right lanes are blocked I-12 East before Essen Lane due to an accident. Congestion has reached the I-10/I-12.

— Baton Rouge Traffic (@BR_Traffic) https://twitter.com/BR_Traffic/status/1022955825093115904?ref_src=twsrc%5Etfw">July 27, 2018

This is a developing story.