Complex sentence: By now Lalor's company had been forced back to the Nek and the Turks were threatening to recapture Russell's Top and at 10:15 Maclagen was reporting his doubts over being able to hold out.
Split into simpler sentences: By now Lalor's company had been forced back to the Nek and the Turks were threatening to recapture Russell's Top. At 10:15 Maclagen reported his doubts over being able to hold out.