Office for National Statistics: Retail sales volumes fell by 0.1% in December after remaining flat in November.
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Immigration authorities on Friday issued a notice that they may seek up to 15,000 beds to detain families.
Mr Abiy told the tens of thousands of supporters that change was coming and there was no turning back.
Members of the Rail, Maritime and Transport union on Arriva Rail North (Northern) walked out for 24 hours.