Internet services were interrupted in the Sudanese capital Khartoum early on Monday, a Reuters witness said.
Several local media reports said internet services were down.
Military forces arrested several members of Sudan's civilian leadership early on Monday, Al Hadath TV reported, as a prominent pro-democracy group called on Sudanese people to take to the streets to resist any military coup.
(Reporting by Khalid Abdelaziz; writing by Mahmoud Mourad; editing by Richard Pullin)
