A 22-year-old man has been arrested in connection with two reports of rape that happened in the Middlesbrough area.
Police had previously linked the two separate incidents which happened in August and October earlier this year.
The sex attacks happened in the Tollesby Road area of Middlesbrough.
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A security guard was threatened with a knife as the pair stole a black cash box before making off in a waiting car.
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Heavy rain expected, also some snow in the forecast