Fergal Keane has met thousands of traumatised children while reporting on conflicts. Here, he researches the long-term effect on them - and what, if anything, can help.
Ice skaters Jayne Torvill and Christopher Dean become a dame and knight in the New Year Honours list, while England women's manager Sarina Wiegman is made an honorary dame.
Defending champion Luke Littler thanks booing crowd for "paying my prize money" as he battles past previous winner Rob Cross to reach PDC World Championship quarter-finals.
Brennan Johnson is set to decide whether he wants to join Crystal Palace after the south London club agreed a £35m deal to sign the Tottenham attacker.
Former England spinner Alex Hartley says women "shouldn't be scared to talk about their periods" after criticism of her discussing the topic on BBC Test Match Special.
BBC Sport football expert Chris Sutton takes on singer-songwriter and Sunderland fan Tom A Smith - and AI - with his predictions for this week's Premier League fixtures.