NEW : Sixteen people have been rescued as of Tuesday morning , state media report . The rescue operation is ongoing and the number could rise further in coming hours. Typhoon Wutip made landfall on Vietnam 's central coast late Monday .
NEW : Sixteen people have been rescued as of Tuesday morning , state media report . Three boats from Guangdong province foundered after being caught in a storm . Typhoon Wutip made landfall on Vietnam 's central coast late Monday .