Sunan an-Nasa'i 1413

It was narrated from 'Abdullah bin Buraidah that his father said:"The Prophet (ﷺ) was preaching, then Al-Hasan and Al-Husain came, wearing red shirts and stumbling in them. The Prophet (ﷺ) came down, interrupting himself, and picked them up, then he went back to the minbar and said: 'Allah has spoken the truth: Your wealth and your children are only a trial (At-Taghabun 64:15). I saw these two stumbling in their shirts and I could not continue until I had interrupted myself and picked them up