Residents of Isaccea, a Romanian border town on the Danube, live with constant fear.

Russian drone strikes hit Ukrainian targets just across the river.

Robert Marian, 48, said he ran out of his house at midnight after a loud blast about two or three weeks ago.

Alina Mihail said she no longer sleeps and lives in terror with her husband.

Romania's Ministry of National Defense reports a threefold rise in drone incursions this year.

That compares with all of last year — 27 versus 9.

Drone and debris finds on Romanian territory more than doubled, to 37 from 16.

There have been 73 attacks near the border on Ukrainian territory this year.

Also, 56 military aircraft have been scrambled.

Last year saw 28 attacks and 21 aircraft.

The war's first year saw one attack.

In May, a drone injured a mother and child after crashing into an apartment block in Galati.

Last week, a drone entered from Moldova and crossed several counties.

It then reentered Moldova and crashed in a sunflower field.

Moscow has denied sending combat drones into Romania.

Romania has shot down four drones this year, a first since the war began.

NATO Secretary-General Mark Rutte said on Sept. 2 that Russia has grown increasingly reckless.

Romanian Defense Minister Radu Miruta called Russia a primary threat to the eastern flank.

He said over 1,000 U.S. troops are in Romania.

He also said Romania has no information suggesting a ground invasion is imminent.

Romania and Poland acquired the MEROPS counter-drone system.

Romania also signed a $2 billion air defense contract with an Israeli firm.