point margin of error. the two parties trading the lead. remaining extremely close. that's what's key here. they have been close for weeks. as you see the other parties, uk independence party is in third in this, with a slight lead. those are the greens you see there in single digits. ed milband in the midlands in a town used to be a clear win for the party. that changed five years ago. nic robertson has more on miliband's efforts to bring bedford back into labor's fold. [ applause ] >> reporter: the final push polls open in hours not days. labor party leader, ed miliband on the stump. a key battleground seat he wants to win from the conservatives. >> a situation so bad we have seen a treatment tent in 2015 erected in a hospital car park in our country. david cameron has broken his