THIRUVANANTHAPURAM: Kerala police on Saturday night took into custody a youth in connection with the e-mail threat to Prime Minister Manmohan Singh and President A P J Abdul Kalam given from a cyber cafe in Kochi on Friday.

Police are tight-lipped about the development but sources said Akbar Shah, 29, said to be a computer expert, was picked up from Alappuzha district. He belongs to Kotiathode in the district.