They were in a formation of quarter column with files extended to two paces; H Company was leading.

When half-way up a warm fire was opened upon them in the darkness.

Colonel Watson gave the order to retire, intending, as it is believed, that the men should get under the shelter of the dead ground which they had just quitted, but his death immediately afterwards left matters in a confused condition.

The night was black, the ground broken, a hail of bullets whizzing through the ranks.

Companies got mixed in the darkness and contradictory orders were issued.