Complex sentence: Reconnaissance aircraft had reported three British armoured cars half--way across the Esdraelon Plain on their way to Afulah and one cavalry brigade was seen at Lejjun while two were just entering the plain in rear, advancing on a broad front.
Split into simpler sentences: Reconnaissance aircraft had reported three British armoured cars half--way across the Esdraelon Plain on their way to El Afule. One cavalry brigade was seen at Lejjun while two were just entering the plain in rear, advancing on a broad front.