British Transport Police has released images of a man, who is believed to have assaulted a 30-year-old woman carrying a pushchair, which left her two-year old son with a fractured collar bone at Highams Park station, in Chingford on June 23.
Anyone with information is asked to contact British Transport Police (BTP) on 0800 40 50 40 quoting background reference B9/LNA of 24/06/2013. Information can also be passed to the independent charity Crimestoppers, anonymously, on 0800 555 111.
More top news
Elena Veronica Ciochina left her home in Newham on Saturday night and hasn't been seen since.
The internet's favourite grumpy feline has flown over from the US to take in the sights of London but looks less than impressed.
Nero jumped a fence in Watford which had a 12-foot drop the other side.