Here is some more stuff on this. I like how the link of a portugal forum is from the UK. ;D
Matthew 24: 23 “Then if anyone says to you, ‘Look, here is the Christ!’ or ‘There!’ do not believe it. 24 For false christs and false prophets will rise and show great signs and wonders to deceive, if possible, even the elect. 25 See, I have told you beforehand.