A Chinese national stabbed himself on the ninth-storey ledge of Block 505, Tampines Central 1, after allegedly killing a woman in a flat at a nearby block.
The self-inflicted wounds left a stream of blood dripping down the walls of the block. He was arrested and charged with murder.
As a woman, believed to be in her 50s, lay at the foot of Block 68, Toa Payoh Lorong 6, following a suspected suicide, a dozen men attacked an unidentified man.
A witness said the woman had jumped from a 12th-storey ledge despite pleas from neighbours not to do so.
A 34th-storey resident of Block 22, Teban Gardens Road, helped to rescue an abused maid who was trying to flee from her employer on the 36th storey by climbing down from the kitchen balcony.
The maid later told the resident that she had been beaten by her employer.
The employer was jailed for four weeks last August for hurting the maid.