If used appropriately, they can be effective in reducing problem behaviour, a US study suggests.

England captain Joe Root edges Australia's Nathan Lyon to Steve Smith at slip to fall for 21 as the hosts look to build a healthy lead in the final Ashes Test at The Oval.

Newcastle United's Longstaff brothers, Sean and Matty, take on Football Focus' Honesty Cards, answering the big questions such as Shearer or Owen? And Ant or Dec?

Tyson Fury calls Otto Wallin a "bum" while dressed as a Mexican wrestler at the weigh-in ahead of their fight in Las Vegas.

It signals a change of approach to migration from the new coalition which took office on Tuesday.

The Raja Permaisuri Agong briefly returned to Twitter to urge police not to detain anyone else.

Never mind Brexit, the former PM talks about drug use, gay marriage, and an early brush with royalty.

Donald Trump confirms he was killed in a counter-terror operation after his death was reported in August.

England's Ben Stokes hits Australia's Marnus Labuschagne for six over mid-wicket to bring up his half-century as the hosts extend their lead in the final Ashes Test at The Oval.

The kingdom's crude oil output is reduced by 5.7 million barrels a day - about half its output.

Guangzhou R&F striker Eran Zahavi scores with a rabona in the final minute to seal a dramatic 2-1 win over Tianjin Quanjian in the Chinese Super League.

England opener Joe Denly falls for 94 - agonisingly short of a maiden Test century - against Australia as the hosts look to extend their lead in the final Ashes Test at The Oval.

Manchester City suffer a shock defeat at Norwich City as Liverpool maintain their 100% start to the Premier League with victory over Newcastle

The family owns OxyContin-producer Purdue Pharma, which is accused of fuelling the US opioid crisis.

Australia's Steve Smith takes "a beauty" to remove England's Chris Woakes as the hosts build a commanding lead in the final Ashes Test at The Oval.

Joe Denly narrowly misses out on a maiden century but still helps England into a match-winning position on the third day of the final Ashes Test.

Europe and the United States go into the final day of the Solheim Cup tied 8-8 after strong winds made for tricky playing conditions at Gleneagles.

Norwich City end Manchester City's 18-match unbeaten run in the Premier League to stun the champions in a pulsating game at Carrow Road.

Joe Denly and Ben Stokes hit half-centuries as England build up a commanding lead of 382 over Australia in the final Ashes Test at The Oval.

Watch Lizette Salas sink a monster putt to make birdie on the sixth as USA end day two of the Solheim Cup tied with Europe at 8-8.

Gareth Thomas says he wants to "educate and break the stigma for everybody".