The meeting comes days after N Korean leader warned of 'new path' if US does not ease sanctions.
Chinese president pledges to weed out high-level 'tigers' and low-level 'flies' at all levels of the Communist Party.
It links the financial centre of Hong Kong, the gambling hub of Macau and the Pearl River Delta, south of China.
Chinese president also tells those involved in the arts to 'reject the vulgar, the base and the kitsch.'
LETTER | Should we prepare for retaliation?
PM says how China manages with 1.4 billion people is 'something of a miracle to us'.
Since coming to power more than six years ago, Xi has overseen a sweeping campaign to root out graft.
The superpower is seeking greater say in global organisations like the World Bank, IMF and the UN.
N Korean leader expected to brief Chinese president on his summit with US president Donald Trump.
Beijing cautions Taiwan president President Tsai Ing-wen against pushing for formal independence.
GLOBAL | Sebelum ini, Parlimen China pinda perlembagaan mansuh had sandang jawatan presiden selama dua penggal.
The amendment was passed with just two 'no' votes and three abstentions.
'He’s now president for life, president for life. And he’s great,' US president tells CNN.
No other leader since Mao has had an eponymous ideology included in the document while in office.
The US president lauds his Chinese counterpart as 'highly respected', urges more action on North Korea.
UPDATED 2.44PM | US president says he and Xi believe this is possible, and pledges to make trade with China 'fair and tremendous'.
But hardline neo-Maoists in China still welcome Xi’s ‘new era of socialism’.
Xi also looks forward to Trump’s Beijing visit, and enhanced Sino-US relations.
‘It is not in the interests of HK’s development and must stop,’ says Carrie Lam.
COMMENT | ‘M'sia may lack resources, but can still shape international events to its benefit.’
Asia trip comes amid tensions over North Korea’s nuclear tests.
Xi tells Modi that 'healthy, stable ties' are in both countries' best interests.
They dine on pan-seared Dover sole and New York strip steak.