at least 27 rescue workers have been deployed in Philippines . Helicopters are on standby to search for an oil rig adrift from its towboats . Tropical Son-Tinh had already killed More than a thousand people in the Vietnam .
More than a thousand rescue workers have been deployed in Vietnam . Helicopters are on standby to search for an oil rig adrift from its towboats . Tropical Storm Son-Tinh had already killed at least 27 people in the Philippines .