An M67 hand grenade was hurled into the home of Suphot Khaimuk in Lat Phrao Soi 34 at around 2am. The blast caused minor damage to a car park roof, but no one was injured.
Mr Suphot was part of the panel of Constitutional Court judges whose ruling yesterday dismissed caretaker Prime Minister Yingluck Shinawatra and nine Cabinet ministers for abuse of power in the case involving the transfer of then National Security Council (NSC) chief Thawil Pliensri to an inactive post in 2011.
A closed circuit security camera captured images of a suspect wearing a baseball cap throwing the explosive into Mr Suphot's home before running away along the Bang Sue canal.
At the time of the attack, Mr Suphot was not at home.
At around 10.40pm, two M79 grenades were shot into the Siam Commercial Bank headquarters on Ratchadapisek Road.
One grenade landed on the 8th floor of the A Building, shattering windows, another landed at a McDonald's restaurant on the first floor of the west wing, causing minor damage but there was no report of injuries.
At around 9.45pm, two M79 grenade were fired into Chulabhorn Hospital near Bang Khen market in Lak Si district. One of the projectiles landed at a residence for doctors.
One room on the 9th floor was damaged while another grenade fell in front of the hospital, damage a window of a taxi, but injuries were reported.