I think that 2 characters seriously die in this episode. Which is a bit disturbing, considering in 3 seasons, I think only 2 others have died. Both in separate episodes. Hell, in separate SEASONS.
They needed 326 seats to be the majority (because there are 650 seats and 326 is over half the seats). They missed out by about 10-20 seats so it's a hung parliament. I saw a video on YouTube that explained it. Pacman was involved