Nexstar Media Group Inc. agreed to buy TV station operator Tegna Inc. for $3.5 billion in a deal that stands to dramatically expand Nexstar’s reach and test the Trump administration’s appetite for regulatory reform.

Shares of broadcasting and digital media company TEGNA (NYSE:TGNA) jumped 4.5% in the morning session after it announced a definitive agreement to be acquired by Nexstar Media Group (Nasdaq: NXST) in an all-cash deal.

U.S. television station owner Sinclair has made an offer to merge its broadcast TV business with smaller rival Tegna , which is in advanced talks on a potential sale to Nexstar Media Group , a person familiar with the talks told Reuters on Monday.

Nexstar’s proposed $6.2 billion acquisition of Tegna could bring Cleveland’s WJW and WKYC under one owner, but regulatory hurdles make the deal’s local impact uncertain.

The proposed merger would conflict with current federal rules that prevent the ownership of two television stations in the same designated market area.