British shares track worst day in 3 weeks on inflation concerns; NatWest slips

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* FTSE 100 down 1.8%, FTSE 250 off 1.6%

May 11 (Reuters) - London's FTSE 100 fell on Tuesday, in line with Asian markets, after an overnight tech sell-off on Wall Street over inflation concerns, while NatWest Group slipped as the British government cut its stake in the domestic lender.

The blue-chip index .FTSE slid 1.8%, with NatWest NWG.L tumbling 3.3% after the UK government completed the sale of 1.1 billion pounds ($1.55 billion) in its shares at a discounted price. the FTSE 100 constituents were trading in negative territory.

Banks .FTNMX301010 , travel and leisure .FTNMX405010 , and miners .FTNMX551020 were among the biggest losers, all down more than 2% each.

Globally, tech stocks took a brunt of the selling as investors braced for U.S. inflation data due on Wednesday while keeping a close eye on a host of Federal Reserve speakers this week to assess how authorities are likely to respond to receding risks posed by the pandemic in some major economies. MKTS/GLOB

The domestically focused mid-cap FTSE 250 index .FTMC tripped 1.6%. Both the indexes were tracking their worst daily performance in three weeks.