Some 2,000 people have joined a group called 'I am Singaporean and tired of service staff who can only speak Mandarin' on the popular social networking site.

At least 20 establishments - from big-name supermarkets and foodcourts to retail shops - have been singled out by members who have come forward to share frustrating experiences at these outlets.

Read Gracia Chiang's full story in tomorrow's edition of The Sunday Times.