 Complete the following phrase:  The 23rd Gurkha Rifles were then ordered to renew the attack at dusk. Owing to poor light, the artillery was no longer able to give much assistance, but the Gurkhas quickly retook the hill with a bayonet charge, suffering 50 casualties, and in the process recovering two Lewis guns. The fighting here has been described as equal in intensity to the 157th Highland Light Infantry Brigades assault at 