The public is being urged to come forward with information about a missing 15-year-old girl. Natalia Francis, from Gravesend, has been missing since 3.50pm yesterday. She was last seen in the St Benedict’s Avenue area wearing black trousers, white socks, black ‘UGG’ boots and carrying a black bag. She is also said to have been wearing a bright blue splattered puffer-style jacket. Natalia is described as black, 5ft, 3ins tall, of slim build, with brown eyes. She wears her hair in braids and often wears glasses. Anyone who has seen her or knows of her whereabouts is urged to call 999 quoting 19-…