Oscar Garcia, who quit as Maccabi Tel Aviv boss last month, inherits a side which finished fourth in the Championship last season.
He played for Barca for six years and also coached the club's youth team before guiding Maccabi to the league title last season.
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Sunday evening's weather for the east
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Streets around a Dorset cul-de-sac have been cordoned off by police investigating the shooting dead of a householder by armed intruders.