A man who had been married for 15 years secretly married his younger colleague, committing bigamy, which is a criminal offence in Singapore.He got exposed while visiting his second wife, who had given birth at the hospital where his first wife worked.Vaithialingam Muthukumar, a 49-year-old Indian national, was sentenced to three months and three weeks’ jail on Thursday.He pleaded guilty to one charge of conspiring to commit bigamy with his second wife, and another of falsely declaring in an...