11.   He toured the base of Banja Luka but fresh snowfalls forced him to cancel another planned visit to British and US troops at Tusla airbase in north-west Bosnia.

12.   The snowfall also forced the defence secretary to travel by road instead of taking a helicopter to visit American soldiers at a base just west of Tuzla.

13.   The snowfalls also forced certain flights to be cancelled or delayed at Berlin.

14.   Large snowfalls also forced several major routes linking the Johannesburg-Pretoria region with the Free State and KwaZulu-Natal provinces to close Sunday.

15.   The heavy snowfall also forced the French authorities to close the Mont-Blanc tunnel late Tuesday amid avalanche warnings.

n. + force >>共 1720
injury 2.67%
weather 1.92%
government 1.89%
problem 1.57%
rain 1.53%
police 1.46%
pressure 1.36%
crisis 1.25%
competition 0.96%
law 0.93%
snowfall 0.18%
snowfall + v. >>共 84
be 21.27%
force 6.79%
begin 3.62%
block 3.62%
disrupt 2.71%
make 2.71%
blanket 2.71%
bring 2.71%
hamper 1.81%
lead 1.81%
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