(34) باب أَمْرِ مَنْ مَرَّ بِسِلاَحٍ فِي مَسْجِدٍ أَوْ سُوقٍ أَوْ غَيْرِهِمَا مِنَ الْمَوَاضِعِ الْجَامِعَةِ لِ
Jabir b. Abdullah reported that a person happened to come to the mosque with arrows and their iron-ends were exposed, so he was commanded that he should grasp the pointed heads so that these might not do any harm to a Muslim.
Reference: Sahih Muslim 2614 b
In-book reference: Book 45, Hadith 159
USC-MSA web (English) reference(deprecated numbering scheme): Book 32, Hadith 6332