 On 4 April, according to Reuters, the HVO headquarters in Mostar set a deadline for President of Bosnia and Herzegovina Alija Izetbegović to sign the above agreement and stated, "If Izetbegović fails to sign this agreement by April 15, the HVO will unilaterally enforce its jurisdiction in cantons three, eight and ten".In a message from HVO leaders Dario Kordić, Ignac Koštroman and Anto Valenta, Croats were instructed to display more Croatian flags on buildings.On Friday, 16 April 1993 at 05