Police are becoming “increasingly concerned” for the welfare of a 12-year-old girl who has been missing for more than 36 hours. Mannat Mann was last seen in east London on Thursday but does not know the area and has not tried to contact relatives elsewhere in the city. Most of her ties are in Wolverhampton in the West Midlands. Mannat was last seen near Wanstead Park in Redbridge at about 1.45 p.m. on Thursday. There has been one possible sighting about a mile from where she went missing. Metropolitan Police detective Sergeant Gurps Singh said: “We are becoming increasingly concerned for Mannat’s wellbeing. “She does not know the area she went missing from and we don’t believe she has tried to contact family members living in other parts of London. “We have been carrying out extensive enquiries all day in an effort to locate her but we now need the …