European shares log worst week since mid-March

(Reuters) - European stocks closed higher on Friday, but marked their worst weekly losses since mid-March as rising U.S.-China tensions added to concerns that a global economic downturn may be here longer than feared.The pan-European STOXX 600 index ended 0.5% higher, with miners rising 2.8% after data showed China's industrial production climbed by a faster-than-expected 3.9% in April.European shares lost some ground by afternoon trading as Washington acted to block shipments of semiconductors..