This page was last updated on Tuesday afternoon. Follow the latest developments here
Belgian police have reportedly arrested two men suspected to have made the explosives strapped to the Paris suicide bombers and of having driven suspect Salah Abdeslam out of France following the attack on Friday night.
Here's where we stand now
Police have raided two hotel rooms and a possible "safe house" suspected to have been used by the attackers in the build-up to the events of Friday night. Among other things, they found syringes, pizza boxes and smartphones
Two of the seven people arrested in Belgium over the weekend have been charged with leading a terrorist attack - the other five were released without charge. Authorities believe the attack may have been planned in Belgium - with a focus on the run-down Brussels neighbourhood of Molenbeek
An Isis propaganda video released on Monday praised the attacks and threatened to carry out another one on Washington, DC
What has the response from authorities been?
David Cameron said in parliament on Tuesday that the attacks had strengthened the case for airstrikes in Syria
France has conducted two consecutive nights of airstrikes in Syria, targeting the Isis stronghold of Raqqa
President Hollande called on the US and Russia to put aside their differences and "fight this terrorist army in a single coalition" - something Vladimir Putin admitted he may be open to following talks with David Cameron at the G20 summit in Turkey
David Cameron and Vladimir Putin are reported to have spent more than an hour in talks on the sidelines of the G20 summit in Antalya, Turkey (Picture: Getty)
Theresa May, the home secretary, has told the British public to be "alert but not alarmed" as the country steps up its anti-terrorist security. Read the Independent's full guide to the security measures here
It is believed the Paris attacks could also lend more support to the government's proposed new surveillance bill
Bulgaria detained hundreds of people over the weekend who it claims entered the country illegally, with prime minister Boiko Borisov calling on Europe to re-consider its migration policies in the wake of the attack
Republican governors in Alabama and Michigan have signalled their intention to block Syrian refugees from entering their respective states