In picture: A Delica van collided with a Lapaha bus with more than 20 passengers at Pea. Photo/Supplied

Eight people were injured after a van travelling southbound along Taufaʻāhau Rd in Pea left its lane and collided with an oncoming bus early this morning local media reported.

Police did not respond to our repeated requests for comments but according to reports both drivers were also injured.

Most of the victims were reported to be passengers of the bus.

It was alleged the driver of the van was drunk.

Hahake commuters quickly took to Facebook this morning and made comments after the incident.

They said they experienced delays and drivers were forced to take alternate roads as  part of the main road to Nukuʻalofa  in Pea where the incident occured was closed.

It is understood Police investigation was ongoing.