UPDATE: 9:25 a.m.
The fallen tree has been removed from the roadway and Tantalus Drive has been reopened in both directions.
A fallen tree this morning has forced the closure of a section of Tantalus Drive.
In a bulletin sent out at 6:32 a.m., police reported that the tree was blocking the entire roadway at the 3710 block of Tantalus Drive.
Motorists are advised to seek alternate routes.