Poland is sending extra troops to its border with Belarus after an alleged military incursion.

Mateusz Morawiecki tells the BBC that it was "not too late to act" before "bad things" happen.

What drives people to make the perilous journey, which for many has ended in death?

The migrant crisis along the EU's borders has resulted from increasing numbers arriving in Belarus by air.

Poland and Lithuania are increasingly sending migrants back to Belarus - but is this legal?

Thousands of people from the Middle East have been trying to get into the EU via Belarus for months.

About 150 army engineers are to help reinforce the EU border after migrants tried to enter from Belarus.

About 1,000 migrants are offered shelter from the cold after camping at the Belarus-Poland border.