More critically, the rain had started again. Torrents of rain flooded bomb craters, turned rubble into a morass and blotted out communications, the radio sets being incapable of surviving the constant immersion. The dark rain clouds also blotted out the moonlight, hindering the task of clearing routes through the ruins. The New Zealanders did take Castle Hill, and elements of the Indian 4th Infantry Division, captured Hangman's Hill to the west.