Title in Facebook appears with HTML chars

With my PHP script I'm posting in Facebook timeline. Everything fine as long as I'm posting in English. Trying to post in language with special characters (Greek in this case) I'm getting the Title/Link in HTML character set (see the attachment).

I used:

$fb_title = htmlentities($title, ENT_QUOTES, 'UTF-8');
$fb_summary = htmlentities($bodytext, ENT_QUOTES, 'UTF-8');

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and the message appeared ok. The title also appeared ok when I appended it to the message. But when the title is the link, it appears with characters like α etc etc.
timeline-greek.jpg