Law & Society

Britain may use a mediaeval law dating to 1351 to charge citizens with treason if they go to fight with Islamic State insurgents in Iraq and Syria, Foreign Secretary Philip Hammond said.

Iraqi pilots who have joined Islamic State in Syria are training members of the group to fly in three captured fighter jets, a group monitoring the war said on Friday, saying it was the first time that the militant group had taken to the air.

U.S. regulators brought their first-ever manipulation case against a high-frequency trading firm on Thursday, saying it used a computer algorithm to affect closing prices through a series of rapid-fire trades.