Vehicular movement at the Gas Paha junction in Dam Street police area has been restricted after a septic tank caved in this morning, police said.

Motorists have been asked to use alternative routes.

Heavy vehicles travelling along the Maha Vidyala Mavatha through Armour Street, Baseline Road have been asked to travel along Saunders road from Ginikapolla Junction to Gunasinhapura.

Light Vehicles travelling along the Armour Street from Baseline Road and Kotahena were asked to travel towards Pettah along the Main Street from Gas Paha Roundabout.