Complex sentence: About this time, reconnaissance aircraft 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: About this time, reconnaissance aircraft reported three British armoured cars half-way across the Esdraelon Plain, on their way to Afulah. One cavalry brigade was seen at Lejjun, while two were just entering the plain, advancing on a broad front.