BANGKOK, April 11 – A crater appeared in center city Bangkok’s busy Pathumwan intersection Wednesday morning, with city authorities initially saying the depression was believed to be caused by soil and sand under the road surface moving into a large drainage pipe.

Bangkok Deputy Governor Teerachon Manomaiphibul and drainage, sewerage and public works department officials inspected the section of Phayathai Road between the Bangkok Art and Culture Centre and Siam Discovery Centre across the street after a section road caved in earlier today.

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