"ongoing harassment" is correct and usable in written English.
It refers to repeated and continuous acts of harassment over a period of time. Example: The employee reported the ongoing harassment from her co-worker to the HR department.
The 51-year-old anti-abortion campaigner had denied she was involved in ongoing harassment towards Purvis.
She didn't see the point in attempting to get support for the ongoing harassment from her ex-boyfriend, as no one had helped her previously.
As his Twitter feed makes clear, this was part of ongoing harassment he experiences when flying at the hands of his own government.
The school can't retaliate against students who file complaints and must ensure that victims can continue their education free of ongoing harassment.
While in incarceration he was brutally tortured, and still suffers from severe post-traumatic stress, a condition made worse by the ongoing harassment he says he experiences at the hands of law enforcement.
Chen, a blind, self-taught lawyer who endured a prison term and ongoing harassment, had escaped house arrest in his village in Shandong Province and made his way to the outskirts of Beijing.
Sony's girl-powered "Ghostbusters" was a moderately amusing, low-energy diversion that you couldn't help but root for, if only to push back against the fanboys who spent months trashing the movie sight unseen, and who later spearheaded an astonishingly vicious, still-ongoing harassment campaign against one of the movie's stars, Leslie Jones.
Today's case in point: the ongoing N.C.A.A. harassment — there is no other word for it — of Ryan Boatright, a basketball player at the University of Connecticut.
The Paris-based Observatory for the Protection of Human Rights Defenders condemned "the ongoing judicial harassment against the arbitrarily imprisoned human rights defender", and urged Iran to release her immediately.
The internet is not a nice place to be a woman – something I found out first-hand, and not just through the ongoing threats, harassment and stalking I've received as a feminist blogger.
Since then, the OPHRD claims Rajab has been subject to "arbitrary detention and ongoing judicial harassment".
