Sayyiduna Anas bin Malik (may Allah be pleased with him) narrates that I have never offered a lighter yet complete prayer behind any Imam than the Messenger of Allah (peace and blessings be upon him). His condition was such that if he heard the cry of a child, he would shorten the prayer out of concern that the child's mother might become distressed.
Hadith Referenceاللؤلؤ والمرجان / كتاب الصلاة / 270
Hadith Gradingمحدثین:«صحیح»
Hadith Takhrij«صحیح، أخرجه البخاري في: 10 كتاب الأذان: 65 باب من أخف الصلاة عند بكاء الصبي»