Hadith 649
قَالَ يَحْيَى قَالَ مَالِكٌ قَالَ هِشَامُ بْنُ عُرْوَةَ قَالَ عُرْوَةُ بْنُ الزُّبَيْرِ لَمْ أَرَ الْقُبْلَةَ لِلصَّائِمِ تَدْعُو إِلَى خَيْرٍ .
Yahya said that Malik said that Hisham ibn Urwa ibn az-Zubayr had said, "I do not think that kissing invites to good for people who are fasting
Mauquf Sahih (Salim al-Hilali)
Muwatta Malik 649 · Book 18, Hadith 20