"allegedly from" is a correct and usable part of a sentence in written English.
You can use it when referring to a statement that you are unsure or uncertain is true or accurate. For example: A new study allegedly from Harvard University has revealed a link between exposure to certain chemicals and cancer.
A senior Israeli government official said there was no contradiction between Netanyahu's statements on the Iranian nuclear threat and "the quotes in your story – allegedly from Israeli intelligence".
In response the Taliban spokesmen posted and distributed a "letter of clarification," allegedly from Zakir.
Several had scars allegedly from the physical abuse, and of other detainees returning to cells with bruises and open wounds.
In 2012 it was subjected to a cyber-attack, allegedly from Iran, that knocked out its Persian service.
They were originally obtained by WikiLeaks, an organization devoted to exposing official secrets, allegedly from a disenchanted, low-level Army intelligence analyst who exploited a security loophole.
A former Taliban commander, he had previously received support from the Afghan government (and allegedly from American forces) against another warlord, Ismael Khan.
The FBI also investigated the attack on Oscar winner Jennifer Lawrence, whose naked pictures were exposed in 2014, also allegedly from her Apple iCloud account.
Soundcloud and Instagram clips allegedly from the party were immediately removed from the internet, adding fuel to the speculation that they contained new Ocean tracks.
Previously, Al Jazeera, known for obtaining material linked to Islamic militants, carried a statement allegedly from Mullah Omar in which he vowed to drive American forces from Afghanistan.
On Monday the hackers released a spreadsheet allegedly from Brennan's account that included the alleged CIA employees' clearance levels, email addresses, phone numbers and social security numbers.
Earlier this month, the French police said they started an inquiry into a threatening letter allegedly from Basque separatist group that was sent to Lizarazu.
