James Welch, legal director for human rights group Liberty, said:
Statistics suggest that Mr Lawrence's experience of repeated searches is not unusual.
The police maintain that stop and search is an important tool in their armoury. But they seem incapable of exercising the power in a non-discriminatory way.
That will leave many questioning whether they should have the power of stop and search at all.
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A milder night across the north than last night, with rain sneaking into southern Scotland from Northern Ireland.