Complex sentence: During the morning the Highlanders were counterattacked by elements of the 21st Panzer Division's Kampfgruppe von Luck; fighting lasted all morning but by midday the village was firmly in British hands.
Split into simpler sentences: During the morning the Highlanders were counter-attacked by Kampfgruppe von Luck of the 21st Panzer Division. Fighting lasted all morning but by midday the village was firmly in British hands.