In the United States, thousands of people are without electricity due to the storms that hit Texas and Louisiana.
In Japan, a strong cold snap has caused the cancellation of hundreds of flights.
In Afghanistan, at least 157 people have died due to freezing temperatures.
The US Department of Homeland Security says migrant apprehensions at the Mexican border have dropped by more than half.
Sesame Street co-creator Lloyd Morrisett has died at the age of 93.