Breonna Taylor was fatally shot in March in a raid gone wrong, sparking global outrage over racism.
Several people are injured and 26 unaccounted for in Gjerdrum, 25km from Oslo, authorities say.
President Donald Trump’s push for an increase in one-off payments to $2,000 stalls in Congress.
Luke Letlow, 41, was due to be sworn in as a Republican Representative for Louisiana on Sunday.
The death of the 12-year-old boy, who had been holding a toy gun, led to widespread protests.
Detective Joshua Jaynes, who prepared the search warrant for the botched raid, received notice that he would be terminated, more than nine months after the operation.
The US president-elect calls for vaccinations to be ramped up as he warns of a “tough period” ahead.
The move would complicate any effort by the incoming Biden administration to resume President Barack Obama’s thaw in relations with Havana.
Investigators are questioning whether the perpetrator specifically targeted the building. The explosion disrupted 911 call centers, hospitals and cell service in several states.