I was at the heavy spawn this morning whilst on rusted lands near Control zone A. I was the first there so waited for a bit, I threw a tripemine at the stairs leading to Control Zone A (to deter the other team). the heavy ammo spawned and by this time only one team mate had shown up. I could see on my radar that the rest of my team were at the top of the stairs obviously unsure whether the tripemine was friendly or not, I decided to quickly run up the stairs to show my team that the tripemine was thrown by me and they could pass to get the heavy ammo.....Guess what happens next!!! No redbar in site yet the one team member (complete douche bag) who turned up...takes the heavy...stopping myself and my team mates from collecting it. we lose the match which was very close.....what a selfish scrub!