This was three days before al-Husayn’s martyrdom.
https://www.al-islam.org/event-taff-earliest-historical-account-tragedy-karbala-abu-mikhnaf/events-3rd-8th-muharram#obstructing-imam-and-his-companions-reaching-water
The Event of Taff, The Earliest Historical Account of the Tragedy of Karbala’
Abu Mikhnaf