reading goalkeeper adam federici has taken to twitter to apologise for his crucial gaffe in saturday's fa cup semi final defeat to arsenal with the game finishing 1 1 after 90 minutes, the australian inexplicably let a tame alexis sanchez shot slip through his grasp in the sixth minute of extra time and could only watch on as it trickled over the line, allowing arsenal to book a second successive final appearance the 30 year old, who was 'inconsolable' after the match, has received unwavering support from his manager and team mates but issued an apology to reading's fans adam federici tries in vain to stop alexis sanchez's strike from going over the line in saturday's fa cup game  sanchez (centre) celebrates making it 2 1 to arsenal as federici (second left) is left dejected after his error  'just like to say thank you for all your messages and how sorry i am for my mistake, we gave our all and deserved to at least take it pens,' he posted on his official twitter account 'it's part of being a goal keeper and i'm sure it will make me stronger ! thank you again for your amazing support £readingfc' steve clarke's men, in the lower reaches of the sky bet championship, forced extra time after garath mccleary's second half volley cancelled out sanchez's opener
adam federici alexis sanchez's sanchez the fa cup federici
adam federici lets alexis sanchez's extra time effort through his legs . sanchez's goal made it 2 1 to arsenal who will now play in the fa cup final . federici left inconsolable after error but says he will come back stronger 