(CNN) Brazil is sending troops to its northern border to "guarantee law and order" amid an ongoing crisis which is seeing thousands of Venezuelans attempting to cross into neighboring countries and beyond.

Brazilian President Michel Temer signed a decree Tuesday to deploy the armed forces to the state of Roraima, making the announcement during a speech from Planalto Presidential Palace.

In a series of tweets following the decree, he cited the "terrible living conditions" endured by Venezuelans as reason for the migrant crisis and Brazil's reaction.

Acabei de decretar o emprego das Forças Armadas para a Garantia da Lei e da Ordem, no estado de Roraima. Para oferecer segurança aos cidadãos brasileiros e aos imigrantes venezuelanos que fogem de seu país em busca de refúgio no Brasil. pic.twitter.com/b0MRwN7C4Z — Michel Temer (@MichelTemer) August 28, 2018

"The migratory wave in Roraima is the result of the terrible living conditions to which the Venezuelan people have been subjected," Temer said during the speech.

"This is precisely what has led to this tragic situation, that currently affects almost all of South America."

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