1a Devastation from heroin - millions perish (4)
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3a Getting rid of waste seemingly a big problem for Brussels (8)
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5d Poem by Jonson and Pound on endless talk (5,3,4)
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18d Silk from Dundee knew what closes cases (5)
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20a Scottish peer tucked into tasty meal (5)
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13a Nomadic people living in drag (6)
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