The 30-year-old world number 117 played the match of his life to hand the six-times champion only his second defeat in seven years at Melbourne Park.
Outgoing US President Barack Obama on Thursday said having a "constructive" relationship with Russia is in the interest of America and the world and admitted that bilateral ties had reverted to an "adversarial spirit" during Vladimir Putin's presidency.
Many people are feared dead after an avalanche buried a hotel in central Italy following a series of earthquakes, Italian state media reported.
The Latest: Italian authorities: 30 missing in avalanche
MILAN – The Latest on the avalanche that buried a hotel in central Italy (all times local):. 9:20 a.m.. Italian civil protection authorities say that 30 people are missing after an avalanche covered a mountain hotel in central Italy. The authority says …
"Many" feared dead in Italian hotel hit by avalanche
Avalanche Buries Hotel Rigopiano in Italy After Earthquake
Avalanche hits Italy hotel, many feared dead or injured
Novak Djokovic was upset by journeyman Denis Istomin in the second round of the Australian Open on Thursday, ending his reign at the year’s first major.