British police say they are responding to reports of an incident at Oxford Circus subway station, one of London's busiest.
In a statement, Interpol said the suspects are accused of forcing victims "to engage in activities ranging from begging to prostitution, with little to no regard for working conditions or human life."
Egyptian security officials say militants have attacked a mosque in volatile Sinai Peninsula, leaving dozens of casualties.
In recent years, Black Friday has morphed from a single day into a whole season of deals, so shoppers may feel less need to be out.
AP source: Flynn's lawyers tell Trump's legal team they are no longer communicating with them about Mueller's investigation, a possible sign of cooperation with the government.