The mystery surrounding a set of security bollards on the George IV Bridge in Edinburgh has been solved.

Shop owners were left bewildered when a number of barriers were installed along the historical bridge in 2011, which is an integral part of the city's Royal Mile, without any reason.

Now the Edinburgh Evening News has found that the bollards were put up to prevent lorries driving on the weak pavements in the Scottish capital.

It was feared that heavy vehicles would fall through the bridge and land on the busy Cowgate below. Many shoppers had bashed their legs on the bollards which are said to be hard to spot if a person does not know they are there.

Elisa Esposito, owner of Cafe Lucano, told the source: "It was very much a mystery. We never received anything saying what they were for, so we didn’t know until now. People tend to sit on them and rest their bikes against them."

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