* Global appeal for help in tracing witnesses (Adds further details, statement from family)
LONDON, Nov 19 British police said they had arrested a Libyan man on Thursday over his suspected role in the murder of unarmed policewoman Yvonne Fletcher, who was shot dead outside the Libyan embassy in London in 1984.
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06:00 Felony arrest warrant issued for Creighton’s Maurice Watson Jr16
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