Riyadh  - Saudi Arabia beheaded a Sri Lankan maid on Wednesday after she was convicted of murdering her employer’s baby, the interior ministry announced, despite calls for a stay of execution. Rizana Nafeek smothered the infant to death after an argument with the child’s mother, her employer, the ministry statement said.She was beheaded in the Dawadmi province near the capital Riyadh.Human Rights Watch had on Tuesday urged Saudi King Abdullah and the interior ministry to halt Nafeek’s execution.The New York-based watchdog said that Nafeek, who was only 17 when the incident occurred in 2005, had retracted “a confession that she said was made under duress, and says that the baby died in a choking accident while drinking from a bottle.”