SINGAPORE — The mother of a 13-year-old boy who went missing around Kallang River on Feb 25 said her son had no fishing experience and should not have joined his friends.Madam Siti, who is from Surabaya, Indonesia, said in Bahasa Indonesia that her son, Daniel, is not a strong swimmer.«Someone called me at 5pm on Feb 25 to say my son had slipped into Kallang River while fishing and was missing. Why would he go? He has no experience fishing.»I was told his teacher also warned him not to go fishing during the fasting month (of Ramadan)," the mother of three told The Straits Times.Madam Siti has been keeping a vigil at the river, near Block 8B, Upper Boon Keng Road, since her son went missing. She was there on Feb 26 with her two other sons, who are 14 and 11.Madam Siti said she has little support at home and had to take her children with her. Her husband, a Singaporean, is in prison and her in-laws are unwell.She added that she was at work as a food stall operator when she found out her son was missing, and immediately rushed over. Read more