Announcing Bolton's sacking on twitter, Trump said he will name a new national security advisor next week.
The announcement of McMaster's ouster, who the White House said had a "good working relationship" with Trump, is the latest in a string of high-profile White House departures since President Trump took office in January 2017.
Bolton slammed Trump's tariff policy, asserting that it has "shredded" decades of Western efforts to align India away from its Cold War ties with the then Soviet Union (Russia) and address the growing threat from China.
'The longer India hangs out to dry, the worse the New Delhi-Washington relationship gets.'
Former US National Security Advisor John Bolton says President Trump's personal relationship with Prime Minister Modi has deteriorated, potentially pushing India closer to Russia and China.
Former White House official John Bolton suggests that tariffs imposed on India by the US for purchasing Russian oil may have unintended consequences, potentially driving New Delhi closer to Beijing and Moscow.
Glimpses from India and around the world that will make you smile and cry.
Former US National Security Advisor John Bolton says President Trump's policies have damaged US-India relations, pushing New Delhi closer to Russia and China.
After Saturday's 2-1 win at Chelsea - their 12th in 13 league matches - Aston Villa have claimed 18 points from losing positions so far this season, more than any other team.
A US lawmaker and former officials warn that President Trump's policies are damaging the strategic partnership between the United States and India, potentially driving India closer to China and Russia.
United States President Donald Trump's special envoy for Russia-Ukraine negotiations, Keith Kellogg, has been excluded from high-level discussions aimed at ending the war in Ukraine, according to a report in NBC News.
He then went on to say that, however, he won't get a Nobel Peace Prize for any of his efforts.
Trump is confident the US will eventually emerge the winner from whatever turmoil his policies cause, notes T T Ram Mohan.
'Unlike Trump, who has an isolationist approach, Bolton would like to roam around the world, trampling upon any sign of dissent,' says Ambassador T P Sreenivasan.
Frustrated by Democrats, United States President George W Bush will on Monday circumvent the Senate and install embattled nominee John Bolton to be ambassador to the United Nations, a senior administration official said.
Bolton said that the arguments for China joining the World Trade Organisation was that it would become a more market-oriented rules-based society.
The sight of immaculately-dressed line judges standing or crouching at the side and back of the grass courts has been a feature at the Grand Slam for 147 years.
Tom Bossert's resignation came a day after John Bolton took over the role of National Security Adviser.
The White House has said the forthcoming book by John Bolton is "full of classified information"
United States President Donald Trump's administration has been marked by a series of exits from high-ranking officials. Appointments expected to last for years have only made it a matter of days, ending in chaotic departures. On March 23, adding to the long list of departures from the US administration was National Security Adviser Lt General H R Mcmaster who will be replaced by John Bolton. Here's a list of other notable departures from Trump's White House.
Leaders Manchester United stayed three points clear in the English Premier League by beating Everton 3-0.
Champions Chelsea and second-placed Manchester United beat Middlesbrough and Portsmouth respectively in the Premier League.
The two leaders had held their first bilateral summit in Helsinki, Finland on July 16, vowing a fresh start to troubled relations between their countries.
The resignation was being described as a result of the Republican Party's defeat in the November 7 elections.
China has been behaving in a belligerent fashion all around its periphery, certainly in the East and South China sea, and its relations with Japan, India as well as others have declined, Bolton said.
Nick Ayers, the 36-year-old chief of staff to the vice-president Mike Pence, is Kelly's likely successor.
'I have worked long & hard with Robert. He will do a great job!' he said.
UN must become better at solving problems: US
The announcement of date and venue comes a day after Putin's adviser Yuri Ushakov in Moscow said the two leaders will meet in a third country.
United States President George W Bush intends to appoint current US Ambassador to Iraq Zalmay Khalilzad as the country's ambassador to the United Nations to replace John Bolton
The top American envoy at the UN also reminded Russia and China that they had promised to go the sanctions route when passing the UN Security Council resolution this June.
During his visit to Islamabad, Secretary of State Mike Pompeo had pressed the new Pakistani government "to do more" to rein in terror groups operating from the country's soil.
"He's a man of tremendous talent and tremendous experience," said Trump of his new appointment.
'As one might expect, he believed the Indians were preparing their nuclear weapons for deployment. It took us a few hours - and remarkably good work by our teams on the ground in New Delhi and Islamabad - to convince each side that the other was not preparing for nuclear war'
Ricardel is believed to have entered into confrontation with the first lady's staff during her trip to Africa last month.
This comes after US President Donald Trump and North Korean Leader Kim Jong-un held a historic summit in Singapore.
He said the US has been very clear to Pakistan on ending support to terrorist safe havens.
"We have the toughest sanctions ever imposed. But on oil, we want to go a little bit slow because I don't want to drive the oil prices in the world up," Trump told reporters.