A man has been arrested at Berlin airport shortly after his wife’s body was discovered in Vienna. Police in the Austrian capital announced on Friday that the Afghan man had been detained in Germany the evening before. He is said to be the main suspect in the case. His wife’s body was found in the flat they shared in the Austrian capital. Concerned relatives of the woman, who was also from Afghanistan, had previously contacted the police and reported that the couple had been arguing. The police launched an international manhunt after the discovery of her body. Austrian police told dpa that they…