Man with bicycle
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Derry City Council bombs: CCTV footage released

7 October 2013 Last updated at 12:43 BST

Police in Londonderry have released CCTV footage of a man suspected to have left two bombs outside the Derry City Council Offices in September 2012.

The footage shows the man wheeling the bicycle along the River Foyle walkway and a short time later retracing his steps, having left the rucksack and bicycle behind.