New Delhi, July 15 (IANS): India is working to provide consular access to an Indian national detained in China on charges of having terror links, official sources here said on Wednesday.

"We are working on providing consular access to the Indian national arrested in China," official sources told IANS.

An Indian is among a 20-member tourist group whose excursion in China "went horribly wrong" when they were detained allegedly for having terror links and held incommunicado for almost two days, said a South African charity.

'Gift of the Givers Foundation' said in a Facebook post that the group was on a tour to explore ancient China as part of "a planned 47-day journey for ten South Africans, nine Britons and one Indian national".

The Indian as well as the other group members were not identified in the post.

The charity said the trip "went horribly wrong on Friday, July 10, when they were arrested at Erdos Airport, Inner Mongolia, at 9.40 a.m. local time".

It said no reasons were given for the arrests.