What happened to Twilight's friends immediately after they unknowingly sent her to the spirit realm?

How do they handle the tense time as they search for Twilight after she was struck by the elements?

How do they handle the knowledge they may be responsible for her undoing?

This is set from the perspective of the other Elements between Twilight's striking disappearance and her return from the sky in the episode "Magical Mystery Cure" (Season 3 Episode 13)