US President Barack Obama has pledged to help hunt down the masterminds of the Paris attacks and bring them to justice.
The tragic events in the French capital are topping the agenda at today's G20 summit in Turkey.
Global leaders of the world's richest 20 country's are in Antalya to discuss the fallout from the terrorist attacks as well as economic issues.
French President Francois Hollande has pulled out of the summit.
But President Obama says he and the French people have the world's support:
