Singapore blocks mobile signals in bid to identify mystery train fault

Plagued with a mystery signalling fault that has disrupted train services multiple times, Singapore has resorted to blocking mobile communications in a desperate bid to identify the cause of the problem. The country's Circle Line (CCL) experienced "intermittent loss of signalling-related communications" on Wednesday that caused delays at several train stations during morning peak hour, said Land Transport Authority (LTA) in a joint statement with train operator SMRT. A train stalled between stations, disrupting service at affected stations including two interchanges Bishan and Serangoon. Initial investigations suggested the faults were similar to a spate of delays that occurred in September, which also impacted CCL services, LTA said. The cause of the signalling fault then was unidentified as the problem did not resurface, after it disrupted train services for five consecutive days.