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Spanish tourists Angel Sanchez Fernandez and Maria Concepcion Marlaska Sedano, who were freed by police in northern Colombia after being held captive for a month, arrived by plane in Bogota Saturday and were immediately taken to a hospital for medical tests.

Sanchez Fernandez, 49, and Marlaska Sedano, 43, who appeared to be in good health, waved to reporters from a distance after stepping off a Colombian National Police plane that flew them from the Caribbean city of Santa Marta to that institution's anti-narcotics base in the capital city.

The two Spanish tourists did not make any statement to reporters upon their arrival in Bogota.

Col. Elber Velasco Garavito - National Police commander in the northern province of La Guajira, where the two Spaniards were kidnapped on May 17 - told Efe Sanchez Fernandez had been shackled in chains throughout most of his time in captivity, while Marlaska Sedano was only held in that manner at the beginning of their ordeal.

He said the kidnappers managed to escape but that authorities had identified nearly 10 people involved in the crime and hoped to arrest them shortly.

Spain's National Police, meanwhile, said Saturday on Twitter that two businessmen, a Spaniard and a Syrian, who were tasked with arranging the collection of a ransom for the tourists' release, had been arrested in Madrid.

A team of doctors met the two Spaniards at the foot of the plane's stairs in Bogota and the two then boarded separate ambulances, one of which was carrying Spain's ambassador to Colombia, Nicolas Martin Cinto.

Sanchez Fernandez was wearing shorts and a camouflage T-shirt, while Marlaska Sedana had on a red dress worn by members of the Wayuu Indian tribe, who live in the Guajira peninsula region.

The two also wore bulletproof jackets provided to them by Gaula, the National Police anti-kidnapping unit that rescued them in the wee hours of Saturday in a rural area outside the city of Maicao, near the border with Venezuela.

The Spaniards apparently were kidnapped by common criminals while riding by car to the eco-tourism destination of Cabo de la Vela in Colombia's far north. EFE