Jessica Tan will now be the acting Speaker of Parliament.
People are welcome to visit his house and take photos.
PM Lee said her resignation, as with Tan Chuan-Jin's, was necessary.
The cause of the fire was likely electrical in origin.
"I should have known better and held myself to higher standards," Mr Tan wrote.
They have resigned with immediate effect.
The Workers' Party said that it "expects all its members to fully own and account for their behaviour".
She found multiple holes in the walls and rusty window hinges, among other issues.
The motorcyclist had intentionally stopped in the lorry's blind spot.
Simple pleasures can also make children happy.