The impeachment set off a series of protests and rallies.
The bar association called a two-day strike Thursday. Association Secretary Sanjaya Gamage said any action to ignore the Supreme Court ruling could bring a "negative and eroding impact" on the rule of law. The lawyers hoisted black flags in courts in protest Friday.
Some 200 lower court judges also joined the strike.
Meanwhile, hundreds of government supporters gathered outside Parliament on Friday to back the impeachment and set off fireworks when they heard the outcome of the vote.
Associated Press writer Bharatha Mallawarachi contributed to this report.
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