India, Sept. 25 -- The US Citizenship and Immigration Services (USCIS) is urging the public to report suspected immigration fraud, abuse and other activities it says could threaten US national security or public safety, under a new "Protect America Together" initiative.

USCIS says its campaign covers several forms of immigration fraud, including fake or altered documents, identity fraud, marriage fraud, visa fraud, asylum fraud and employment fraud.

The agency has specifically included suspected fraud and abuse involving the H-1B, H-2B and EB-5 visa programs among the matters that can be reported.

USCIS says employment fraud can include misrepresenting job offers or employment information. Its reporting campaign specifically lists H-1B...