CAPE TOWN - Taxi violence wreaked havoc in parts of Cape Town earlier on Thursday.

The N2 highway and the R300 had been blocked, with authorities urging motorists to use alternative routes.

These main routes have now been re-opened.

#Delft taxi rank closed since yesterday morning, following a shooting. Police maintain a presence #TaxiWarCT pic.twitter.com/H4ZfTSlci7 — Athi Mtongana (@Artii_M) March 23, 2017

Rival taxi groups in Nyanga, Delft, Langa and Gugulethu have been at war in recent days.

It’s unclear exactly what is the issue is, but it’s believed they’re fighting over Delft routes.

Three buses have reportedly been torched, while several taxis have been stoned.

Cape town N2 tax violence pic.twitter.com/QYdJMIGdG6 — Songezo Mazizi (@songezomazizi) March 23, 2017

Twenty-three people have been arrested and eight taxis impounded.