Complex sentence: By the evening, a report had arrived from Babini that the group was down from and that their performance had been disappointing, along with alarmist tales of tanks advancing round the southern flank and Graziani ordered Tellera to disengage the Babini Group by next morning.
Split into simpler sentences: By the evening, a report had arrived from Babini that the group was down from and that their performance had been disappointing, along with alarmist tales of tanks advancing round the southern flank. Graziani then ordered Tellera to disengage the Babini Group by next morning.