Donald Trump says he will boycott the final Republican presidential debate before the Iowa caucuses and hold his own event instead.

Israeli PM Benjamin Netanyahu accuses UN Secretary General Ban Ki-moon of "encouraging terror" after remarks on a recent wave of violence.

The world tennis authorities announce an independent review into the effectiveness of anti-corruption practices.

Net migration to the UK could fall by about 100,000 a year if Britain votes to leave the European Union, pressure group Migration Watch estimates.

Most health professionals believe there are not enough mental health services for children who have suffered sexual abuse, an NSPCC survey suggests.

More than a quarter of people in the UK have witnessed a hate crime in the last year, a new poll suggests.

Councils and utility companies could be fined up to £5,000 a day for leaving roadworks unmanned at weekends under government proposals.

Johanna Konta and Andy Murray win in Melbourne to give Britain two Grand Slam semi-finalists at the Australian Open.