Pep Guardiola demands explanation for Raheem Sterling’s sending off

• Winger sees red at Bournemouth after celebrating late winner with City fans
• Allegation Sergio Agüero assaulted a match-day steward has been withdrawnPep Guardiola once again complained about the match officials as Manchester City had Raheem Sterling sent off after he picked up a second yellow card for his celebrations among jubilant away supporters, following his 97th-minute winner at Bournemouth. It was the second time in six days that City had been reduced to 10 men, after K