The company i work for made 15 people redundant then took it back?

Ok the company i work for lost work so they said they were going to make 15 (HGV) drivers redundant so the day they announced it all drivers were on 30 days notice till they had picked the 15 people , they were going off a points system on the lengh of service and "live" disaplinaries ageinst you , well a week went by of who's going whos staying , untill this thursday people got there letters and were told how much they were getting etc.. but one of the union people were telling every one who was going before the people got told , then one of the union phoned head office i dont know what was said now all redundancys have been canceld and every one has to go back to work and ignore the redundancy because they said they should of asked for people for volantry first , but i dont think its fair how people have been told one of the lads wife was crying her eyes out thinking she was going to lose her house etc.. and this as a very big national company , every one will know who it is , its not very professional