(BANG) -Louis Tomlinson has installed a panic room in his home.
The One Direction star has spent $22,500 to build a safe area in his $3.7 million mansion in Hertfordshire, East England, to keep him and his guests safe after some jealous fans sent death threats to his girlfriend Eleanor Calder, 20.
A source told The Sun newspaper: ''Louis loves the fans and isn't overwhelmed with paranoia. He's just a realist about the dangers of being in the spotlight.
''One Direction followers are notorious for tracking the lads down, so that's made him a bit cautious. This is just something that makes him feel safe.''
Louis' girlfriend was previously targeted by trolls on Twitter, who sent the brunette beauty photographs of the singer's ex-girlfriend Hannah Walker before he lashed out at the comments made.
He wrote on Twitter at the time: ''I'm reading some horrible tweets - very p***** off! (sic)''
Louis, 21, isn't the only member of the group to have high security in their home, with his bandmate Zayn Malik, 20, also having a panic room in his $3 million north London pad.
However, fellow member Niall Horan has insisted he is ''carefree'' about people trying to intimidate the group - also formed of Harry Styles and Liam Payne - over the internet and doesn't let them bother him.
He said: ''It's only brave girls behind a computer, thinking they can say what they want. Other celebrities get freaked out about death threats. I'm carefree about them.''