An average of 57.45 per cent polling was recorded till 5 pm on Wednesday in 59 Assembly constituencies during the fourth of the seven-phase elections in Uttar Pradesh, according to the Election Commission. As many as 624 candidates are in the fray in this round of voting being held in Pilibhit, Lakhimpur Kheri, Sitapur, Hardoi, Unnao, Lucknow, Rae Bareli, Banda, and Fatehpur districts.