rtokens: Winds up to 75 km an hour ( 40 knots ) could blow over Mauritius during the night of Friday to Saturday , it said .
pos: IN RB VBG NNP RB , PRP VBZ VBG RBR TO DT NN CC MD VB NN , PRP VBD .
tokens: Although not threatening Mauritius directly , it is coming closer to the island and could change direction , it added .
ltokens: The weather services office said the centre of the intense tropical cyclone Daniella was 570 km ( 310 miles ) north by northwest of the island on Friday afternoon and was moving south by southwest at eight km an hour ( four knots ) .