(Reuters) - American Jarrell Miller has returned an \u201chostile discovering\u201d in a voluntary drug check forward of his international heavyweight identify combat with Britain\u2019s Anthony Joshua, boxing promoter Eddie Hearn mentioned on Wednesday. FILE PHOTO: Boxing - Anthony Joshua & Jarrell Miller Press Convention - Hilton London Syon Park, London, Britain - February 25, 2019 Jarrell Miller all over the click convention Motion Pictures by means of Reuters\/Andrew CouldridgeThe discovering may just disrupt Miller\u2019s upcoming bout with international champion Joshua scheduled for June 1 in New York. Hearn, who promotes Joshua, mentioned he were knowledgeable of Miller\u2019s certain check via the Voluntary Anti-Doping Affiliation (VADA), which goes with athletes in boxing and blended martial arts. \u201cNow we have been knowledgeable via VADA that there was an hostile discovering in Jarrell Miller\u2019s pattern amassed on March 20th, 2019,\u201d Hearn mentioned on his Twitter account. \u201cWe're running with all related events and can replace with extra main points quickly. AJ\u2019s preparation continues for June 1st.\u201d ESPN reported that Miller had examined certain for the banned substance GW1516, which reinforces staying power and is helping athletes burn fats, bringing up 3 assets accustomed to the subject. Miller\u2019s co-promoter Dmitriy Salita mentioned the 30-year-old boxer would proceed to coach whilst his group sought additional information. \u201cWe're within the means of acquiring additional details about VADA\u2019s discovering and could have extra to mention quickly in this creating state of affairs,\u201d Salita informed ESPN. \u201cWithin the period in-between, Jarrell continues to coach for his June 1 combat towards Anthony Joshua.\u201d VADA didn't instantly reply to a Reuters email soliciting for remark. In February, Miller accused Joshua of the use of Healing Use Exemptions (TUEs) to take testosterone that helped him construct muscle, a fee that Joshua\u2019s camp denied. Reporting via Rohith Nair in BengaluruOur Requirements:The Thomson Reuters Agree with Rules.