ENOfficial
Anas ibn Malik said: "The Prophet (Allah bless him and give him peace) entered Mecca wearing a helmet. He was told: 'This Ibn Khatal is clinging to the curtains of the Ka'ba so he said: 'Kill him!'"
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ: حَدَّثَنَا مَالِكُ بْنُ أَنَسٍ، عَنِ ابْنِ شِهَابٍ، عَنْ أَنَسِ بْنِ مَالِكٍ: أَنَّ النَّبِيَّ صلى الله عليه وسلم دَخَلَ مَكَّةَ وَعَلَيْهِ مِغْفَرٌ، فَقِيلَ لَهُ: هَذَا ابْنُ خَطَلٍ مُتَعَلِّقٌ بِأَسْتَارِ الْكَعْبَةِ، فَقَالَ: اقْتُلُوهُ.
sunnah.com