The Security has been beefed up at the US Consulate in Mumbai's Bandra-Kurla Complex area after receiving a bomb threat e-mail yesterday. The e-mail said, US President Joe Biden should immediately tender a public apology or else he will blow up every US embassy. According to the police, the embassy received this e-mail around 3.50 pm yesterday. <br />''<br />''The sender of the e-mail has described himself as a fugitive American citizen. He has said that there are 19 criminal charges registered against him in America. After receiving this information from the Embassy, a case has been registered against an unknown person at Bandra-Kurla Police Station. Police are collecting details of the person who sent the e-mail.<br />