Energy minister Michael Fallon said the Government would only allow exploratory drilling for oil and gas if it is "being done properly and the environment is being fully protected".
He added that Cuadrilla, the company which is carrying out exploratory drilling activities in West Sussex, had the necessary permits from the Environment Agency.
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Last minute preparations are going on at the Church of St Mary Magdalene where Princess Charlotte will be christened.
Princess Charlotte is being christened on Sunday at Sandringham in Norfolk in only her second public appearance since she was born.
Thunderstorms clear the North, leaving a dry and warm day with sunny spells.