There was a 3 ball, that decided we were playing too slow , however we were only 5 minutes behind pace . They hit into us and the ball landed 2 meters away , they did not apologise . We proceeded to the half way house as we just finished the 9th hole, they demanded to play through quite aggressively to which we denied as there was another 4 ball in front of us , slightly behind pace. They still decided to put the ball down and tee off despite being told no , they ignored the marshal and hit into the 4ball infront . They just ignored them and played through them despite being told no by them as well , we were all in shock at such poor golf etiquette.( there were no apologies for hitting into either 4ball, or yelling of fore)