Complex sentence: A second case where a 14-year-old female drew a chalk flower onto the Lennon Wall on 23 December 2014 was arrested on suspicion of criminal damage, but was not charged.
Split into simpler sentences: A second case arose when a 14-year-old female drew a chalk flower onto the Lennon Wall on 23 December 2014. "Chalk Girl" was arrested on suspicion of criminal damage, was not charged.