One lane closed and slow traffic due to accident, two vehicles involved on M4 Eastbound between J28 A48 / A4072 (Tredegar Park) and J27 B4591 (Highcross).
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The star celebrates beating Justin Bieber into second place as her song becomes a hit again after a performance at the total solar eclipse.
Later in the night cloud will thicken bringing hill fog, mist and some patchy drizzle by the early hours.
The Welsh singer sang her infamous track during yesterday's solar eclipse.