Satellite images revealed a structure at Scarborough Shoal's entrance last week. Later images suggest it has disappeared. The Philippines is investigating the reports. China has controlled the shoal since 2012. This disputed area sees frequent clashes. China and US forces recently conducted maritime exercises nearby. The shoal is vital for fishing and shelter.

Satellite images revealed a structure at Scarborough Shoal's entrance last week. Later images suggest it has disappeared. The Philippines is investigating the reports. China has…

Satellite images obtained by Reuters confirmed the presence of a structure at the entrance of the hotly disputed Scarborough Shoal in the South Chi...