Police will be monitoring gang movements through the Wellington region today as a large number of gang members arrive for a tangi.
A ceremony will be held in Wainuiomata this morning, with attendees then travelling through to Porirua this afternoon.
Drivers can expect to see a large number of gang members and associates travelling from the Hutt Valley to Porirua, police said in a statement.
Police will have a highly visible presence in these areas.