KATHMANDU, SEPTEMBER 27 Police have urged people, especially those going abroad or returning from foreign countries, to be aware of fraudsters offering to exchange dollar bills at a rate cheaper than the market price. According to statistics with the Metropolitan Police Office, at least such 16 cases of fraud have been reported in Kathmandu valley in the last six months. Metropolitan Police Range, Bhaktpur, arrested a racket of five persons, including a woman, were arrested from Balkot of Suryabinayak Municipality-2, on Friday for their involvement in a series of fraud cases of currency exchange. Those taken into custody were Khel Bahadur Tamang, 36, Rel Bahadur Tamang, 33, Shyam Bahadur Tamang, 56, Ramkrishna Tamang, 25, and Kanchhi Tamang, 32, of Sindhupalchowk. They had robbed Dipesh Gurung of Lalitpur of Rs 500,000 in Gongabu last week. He had recently returned home from Dubai. Mansur Gharti of Rolpa was robbed of Rs 980,000 last week in Bode, Bhaktapur. Sudarshan Thapa of Mo...