A FIRE brigade has issued a Valentine's warning to fans of the new Fifty Shades Darker movie.

Call-outs to free people from handcuffs rose after the release of the first Fifty Shades of Grey film - so Dublin Fire Brigade has issued risque advice on social media.

The fire brigade announced on Twitter: It's #Valentine's and #FiftyShades is in the cinema. Have a romantic, fun & safe weekend, you don't want us calling with our "big key"