"This includes never giving money to anyone – just as you would never give money to someone you recently met in a pub or café – and not sharing personal contact details that take conversations off the site," he said.
, users are being warned to be vigilant while online, particularly as the fraudster's tactics are becoming more elaborate.
Action Fraud UK, the country's fraud and internet crime reporting centre, says it has been alerted to new methods used by dating fraudsters.
If you are contacted by somebody using these pictures on a dating site or a social network, you are being scammed.
The complete scam reports on scammers using these pictures you can find on Romance Scam.com, this is just an overview.
In reality, the scammers are Africans from Nigeria and Ghana.
People on the pictures are not associated with scammers in any way, they are just victims of identity theft.
Usually there will be links or buttons on profiles to block or report individuals.
• If you are a victim of dating fraud you can call Action Fraud on 03; actionfraud.
According to recent figures, these requests for cash appear to be working.
There were 651 dating scams reported in the three months to August this year, with the average victim paying out £9,589.
male pictures most frequently used by African scammers.