Finally , on the 21st they moved into the Ngwebeni Valley , where they remained concealed , planning to attack the British on the 23rd .
They were discovered by a scouting party on 22 January .
Finally , on the 21st they moved into the Ngwebeni Valley , where they remained concealed , planning to attack the British on the 23rd , but they were discovered by a scouting party on 22 January .