Dominant Swiatek sets up Keys semi-final in Melbourne
PM urged to close online child sex abuse loopholes
Xi and Putin hold video call after Trump's inauguration
US tech giants announce AI plan worth up to $500bn
Two IDs plan to stop under-age online knife sales
'No choice but to go back' - migrants despair over Trump border restrictions
Author Cottrell-Boyce calls summit to warn about children's happiness
Treat eating disorders as an emergency, MPs urge
Trump considers 10% tariff on China from February
Netflix to raise prices as new subscribers soar