New Delhi, Feb. 24 -- Chad said Monday it has closed its border with Sudan "until further notice," calling it an attempt to limit the spread of conflict into its territory after multiple crossings by fighters with the warring Sudanese factions.

"It aims to prevent any risk of the conflict spreading to our soil, to protect our citizens and refugee populations, and to guarantee the stability and territorial integrity of our country," government spokesperson Gassim Cherif Mahamat said in a statement.

Chad's decision came after the paramilitary Rapid Support Forces attacked the border town of Tine, or Tina, over the weekend. The Sudanese Armed Forces and allied groups said they repelled the attack and forced RSF fighters to flee into Chad....