All Democrats and one Republican – Utah Senator Mitt Romney – voted against the president on his charges of abuse of power.
Both sides voted along party lines for his charge of obstruction of justice.
The Senate voted to acquit him 52-48 on charges of abuse of power and by 53-47 on obstruction of Congress.
The president was impeached by US House of Representatives in December on two charges; he abused his power and that he had obstructed Congress.
The charge on abuse of power stems from Trump’s alleged attempt to pressure Ukraine to announce investigations into his Democratic political rival, Joe Biden.
The second charge on obstruction of Congress owing to the president’s refusal to co-operate with the impeachment inquiry typified by withholding documentary evidence and barring his key aides from giving evidence.
Trump is the third president to be impeached in the nation’s history. Others were Andrew Johnson and Bill Clinton.
Trump who is seeking a second four-year term in the November 3 poll, always denied wrongdoing.
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