/**
* Deletes issues for this event before calling the parent delete method
* Does not handle the removal of elements and will therefore fail if this has not been handled before being called.
*
* @return bool
*
* @see parent::delete()
*/
public function delete()
{
// Delete related
EventIssue::model()->deleteAll('event_id = ?', array($this->id));
return parent::delete();
}