authorities in peru have authorised the spanish company, repsol, to reopen a refinery that closed after a huge oil spill. operations at the facility — which provides 40% of peru's petrol and diesel — will resume for ten days to ease fuel shortages. the refinery shut after more than 10,000 barrels of oil being unloaded from a tanker leaked into the sea. the uk prime minister boris johnson is said to be considering further changes to his top team — following the appointment of two senior aides yesterday. the shake—up follows the resignation of five staff members last week — and more mps submitting letters of no confidence in him. 0ur political correspondent iain watson reports. after another week of bad headlines, the loss of senior downing street staff and some of his own mps openly calling for him to go, borisjohnson was attempting to get on the front foot. he has appointed the former bbc journalist guto hari as his director of communications.